01x07 - Episode 7

[bunniefuu]

[helicopter blades whirring]

[distant crashing]

[♪ cryptic electronic music]

[Ena] The One City unit 5802.

The only link the three m*rder victims
had in common.

The last owner of the apartment
was Miyoung Lee.

The previous owner was Chimok Kang.

[bubblegum pops]

And the first owner of the apartment
was Yoonsu Do.

He was allotted 13 units

during the preliminary distribution
for The One City.

Unit 5802 was one of those units.

Currently, the remaining 12 units
are owned by his family.

So why did he hand this unit over
to Chimok Kang?

And also, where in the world
did all of this begin?

[♪ theme music]

Nine Puzzles

Chimok Kang and Miyoung Lee
were engaged to each other,

so that kinda makes sense.

There has to be a reason
why Yoonsu handed the unit over to Chimok.

Is there a secret connection there?

Unit 5802 was never involved
in any type of lawsuits or accidents,

but what's strange to me is how quickly
its ownership kept changing hands.

Yoonsu Do was the first owner.

Then it was transferred to Chimok
two months later.

One month after that,
Miyoung Lee took ownership.

Almost as if they had agreed to it.

What would make them
trade an apartment like that?

You said that Donghoon Yoon,
Miyoung Lee and Chimok Kang

could have been the culprits,
not the victims, is that right?

What if the four of them,
including Yoonsu Do,

committed a crime together,

and then in exchange,
they were given the apartment?

So then the apartment was used
like some kind of payment.

[exhales sharply]

And why is it that…

my uncle wasn't included in that?

Why aren't they connected to my uncle?

There's gotta be a reason
my uncle was the first to die.

The Hangang Police Station is the link.

The One City is under its jurisdiction,

and Donghoon Yoon
was the superintendent there for a year.

Did Superintendent Yoon sweep a case

that was somehow related to The One City
under the rug?

Was there a crime he helped to hide?

[♪ pensive music]

If he did sweep a case under the rug,

he would've received something
a lot bigger, wouldn't he?

[sighs]

What do you suppose he got in exchange?

A crime committed by four individuals…

Yoonsu Do

was a clown who stepped all over
the sandcastle the children made.

Chimok Kang wore an armband and danced.

And Miyoung Lee whispered to someone.

And Superintendent Yoon

shot a doll shaped like a person.

These puzzle pieces could represent

some kind of wrongdoing, I guess?

You know what I think?

God, my head is k*lling me.

I need a cup of coffee. You want a coffee?

Sounds good. I'll have a warm latte
with oat milk and a double shot.

I said I have a headache.
Are you kidding me?

I'll order it.

There's a good coffee shop nearby.

Let's stretch our legs
and get some fresh air.

I could use a walk. [groaning]

[♪ quirky jazz music]

-[café worker in Korean] Welcome.
-Hello.

[in English] One drip coffee, uh…

and a latte… a warm latte, and uh…

[clicks tongue, sucks teeth]

…oat milk. Thanks a lot.

Oh, with two shots in it. Yeah.

[café worker] Okay.

That'll be one hot drip coffee

and one warm double-shot oat milk latte.

Will that be all?

That's it, yeah.

Why did ya turn off the lights?

Uh, because Your Highness
was snoring so loud.

Hmm… That's weird, I don't snore.

You're supposed
to drape your jacket on me.

That explains why you've been
single for ten years.

Shame. You don't get women.

[scoffs] That's what I get for going out
and grabbing you a coffee?

It's like 80 degrees in here right now.
That's hot enough to make you sweat!

Oh…

The coffee is great!

[groaning] I'm tired.

Do you wanna go out for a walk?

[sighs deeply]

Ugh, it's too sweet.

I'm guessing you didn't come here so early
to buy me a cup of coffee.

So why are you here?

Superintendent Yoon.

What kind of person was he, as an officer?

Donghoon? Why are you asking?

Well, I just figured, you and he, um…
were quite close, right?

Seeing how he was m*rder*d and everything,
I was just curious.

[smacks lips, sighs]

What are you insinuating?

You're fishing right now, right?

Ah… Wh--

Why are you making it sound
like he did something wrong?

[phone buzzing]

Ena Yoon

You never know with people.

You never know with people?

Ah, Hansaem,
you're still an as*h*le, aren't you?

Yeah, you're just trying
to corner me again.

-sh*t.
-When'd I do that?

[Dongsu] Oh, so you deny it?

[scoffs, sighs]

What kinda guy was he? [sighs]

The man was an exceptional police officer.

He was the youngest superintendent.

I guess the higher-ups liked him?

Oh, yeah, that they did.

He was a great investigator
and a good cop.

Then why did he quit the force?

[Dongsu] I wouldn't say that he quit.

More like he was cut loose
to appease the public.

The department
was going through a lot then.

Hey, you should remember
the Jungbu serial m*rder case.

They k*lled every rainy Monday,

pulling a stocking
over the victims' heads.

Hangang Station
was in charge of that case.

We didn't know there was only one culprit

until three female students died.

There were five deaths in the end.

The chaos surrounding that
swept Donghoon away.

[sighs] What a bad way to go.

[slams]

[♪ dramatic music]

Hmm.

Today, why don't we talk about that place
where you can sleep?

Is it still a secret?

Honestly, it's really
not much of a secret.

It's just… we talked about it once before,
and nothing's really changed since.

I've spent some time thinking about it.

How strange that you could fall asleep
in a place as cluttered as that.

Um… Have you ever heard of hoarding?

A hoarder is generally someone
who is unable to throw anything away.

It is considered a mental disorder.

What kind of person is he?

[inhales]

I'd rather… talk about my uncle.

Huh. Hmm.

I've been thinking

a lot about him.

He may not have been the person
that I thought I knew.

You can't be a good person to everyone,
after all.

What's making you think that?

Well, the last time we spoke,

you told me to look into
the choices my uncle made.

Hmm, I'm gonna give that a go.

Honestly,

I kept my eyes closed

'cause I was afraid of what…

might jump out.

I was scared.

At times,

keeping one's eyes open
can be quite difficult.

Is there anything that, um…

makes you want to close your eyes
like I do?

Yes, of course. I'm only human.

What is it?

Like you, my personal life is off limits.

-[scoffs]
-[chuckles]

Doctor's office 2

[in Korean] Hello.

Yeah, hello.

[in English] I'm just visiting.

My friend works here.

And this was the only designated
police hospital in the area.

Mmm… Good talk.

Yeah.

[door opens, closes]

You saw Miyoung's Lee car
on the day that she was k*lled?

[Sgt. Nam] Yeah.

I remember because…

The Porsche Panamera's my dream car,

so they stick in my mind
whenever I see one.

The weird thing about that night
is the driver floored it at a red light.

She must have seen us
parked on the side though.

It was almost 10:00 at night,
and the road was empty.

so I didn't go after her.

[♪ pensive percussive music]

But I keep thinking if I had stopped her…

then maybe I could've prevented
what happened to her.

It's really hard to let it go.

She knew that the police car was there,

so what could have made her do that?

Why'd she step on the gas
and run that light?

Yeah.

You're right.

She ran the light on purpose.

That's because running that light

was her best attempt at signaling for help
when she saw your patrol car.

So do you, uh… remember anything else
about it or see anything

in the back seat or the trunk?

Uh… No, uh…

The windows were heavily tinted.

Hmm…

Too bad. Thanks, anyway.

Even if you had stopped the car,

nothing would have changed
what happened to her.

It's probably going to take a while
to overcome that guilt,

so let's not beat ourselves up
too much about it.

I'm here.

Hey, why don't you ever
pick up your phone?

Oh, look who's talking.
You didn't pick up either.

[sighs] Yeah, whatever.

I was talking to Dongsu Tae
when you called.

So, uh…

How well did you know your uncle?

[♪ mellow music]

I always thought that he quit the force
because of me.

My uncle was apparently a model officer
and well-respected.

So what kind of case
could he have swept under the rug?

You never know with people.

It's possible that he swept
more than one case under the rug.

Think you can do this?

Do you think you can face those cases?

I'm asking Lieutenant Ena Yoon…

the profiler,
if she can analyze these cases.

I have to.

I asked, "Can you?"

[sighs]

Mm.

Then let's dig.

A case with a sh**ting,
one with deceptive whispers,

one that had armband wearing th*gs
and a broken sandcastle.

That right?

[chuckles]

[♪ uplifting music]

[phone buzzing]

[sighs] Yeah, what is it?

Everything okay at the station?

Why do you suddenly want to know?

You should remember
that I rank higher than you, you d*ck.

Look, Hansaem stopped by.

He was asking about Donghoon.

[Hogeun] Not the first time
that punk did that. Who cares?

So, what's bothering you?

You know that report you showed me?
The profile that Ena made?

I was wondering…

what's the real reason you think
that Donghoon died?

[sighs heavily]

[Hansaem] I got one.

"Myungsung Daily defamation case"

"No prosecution
[acquitted due to lack of evidence]"

The victim's family
took the Myungsung Daily

and the journalist who wrote the article
to court for defamation, and look…

The case was thrown out
after three months.

The plaintiff was the younger sibling
of the last victim

in the Jungbu serial m*rder case.

Coincidentally, this case was why
Superintendent Donghoon Yoon

suddenly quit the force.

This defamation suit must have been
the last case he helped cover up.

We should dig into this one first.

If our theory is correct, then a victim

whose life was ruined by the case
Superintendent Yoon made disappear

is the one going around
k*lling people right now.

They're the victim and also the m*rder*r.

-Let's go.
-Hey, hold on.

I've got something to tell you.

A handkerchief?

I heard it was an old, plain-looking
handkerchief that old men tend to use.

San Choi, who arrived on the scene first,
saw it and then it disappeared.

It's not in any of the photos
of the scene.

Me, San and the captain
are the only ones who know.

So the k*ller…

or an accomplice might be among us.

Why are you telling me this now?

Well, that's 'cause you--

Do you trust those guys?

-Huh?
-Do you trust San Choi?

Yeah, I mean…

-And the captain?
-As far as I'm concerned,

no one in Hangang Police Station
is above suspicion, not even me.

But it's not Jungho Yang.

Do you think you can do it?

Do what?

Just tell me,
are you able to look into these guys?

I'm asking whether
you can properly analyze them

as Lieutenant Hansaem Kim?

Think I need a new career?

[scoffs] You still don't know me.

Whoa, what? You gonna blow your lid?

And just remember,
don't take that lid off in front of me.

Stop screwing around.

[sighs]

Introduction to Law
Criminal Procedure

[brother] That's my elder sister,

Miseon An.

She was that serial k*ller's victim.
His last one.

It's been 20 years already.

What took you so long to get here?

[breathing deeply]

[Ena] We totally understand.

You must have felt really angry.

That's why you sued them, isn't it?

Wouldn't you have to? [sniffles]

If they had caught that son-of-a-b*tch
on time, then my…

my sister…

wouldn't have died
when she was only 25 years old.

[shuddering]

Then, that m*therf*cker
from Myungsung Daily

went around spouting f*cking bullshit
about how my sister was a karaoke girl.

She wasn't a karaoke girl.

She went to karaoke

'cause it was her birthday that day.

And she was on her way back home…

I was so f*cking angry, you know.

How could they write an article like that

without fact-checking anything?

That's why I sued them for defamation.

Then that d*ck at the Hangang
Police Station buried the case.

I heard he wound up dead.

You're talking about… Superintendent Yoon?

Superintendent Yoon is dead too?

Uh, then did someone else die?

The guy from the paper, he died.

The journalist died?

Yeah. He k*lled himself.

Ganghyun Lee.

That m*therf*cker,
I'll never forget his name.

[♪ dramatic music]

You think that journalist…

committed suicide?

We might as well check.

Ganghyun Lee lived in Mok-dong, didn't he?
Give me a sec.

Senior Inhwan Son

[line ringing]

-[Inhwan] Hello?
-Hey, Inhwan.

-This is Hansaem. How you been?
-Oh, Hansaem!

-Are you still at Yangseo?
-Yeah.

"Ganghyun Lee death case"

What are you after?
This case is like 10 years old.

Don't tell anyone I showed you this.

Okay… Thanks, man.

-[chuckles]
-Here, share this with your team.

For real? [chuckles]

Thanks.

Yeah, see ya.

[Hansaem sighs]

Ganghyun Lee death case

Give it to me.

Cheoljin Oh

[Ena] Cheoljin Oh?

-Hey, Ena.
-Hmm?

[♪ dramatic guitar music]

That's from eight months
before your uncle was k*lled.

[soft gasp]

So my uncle's death wasn't the first case.

Ganghyun Lee was the first one.

Ugh, why didn't I ever
think of this possibility?

[exhales sharply]

Actually, I always thought
it was a little weird.

Even a serial k*ller who k*lled 21 people

had to return to their first crime scene
because they left their jackknife behind.

It's impossible for a k*ller's first run
to go perfectly.

They're bound to make amateur mistakes
and leave some trace.

The scene of my uncle's m*rder

was way too perfect for it
to have been their first one.

They left no prints, no DNA,
there was nothing left at the scene. How?

Because they'd done it before.

Because Ganghyun Lee
was their first victim.

We might get some clues
if we look back at that case.

[smacks lips]

I'll find out who was in charge,
you focus on the puzzle piece.

I'll ask Yangseo Station for help.

The One City unit 5802.

Hangang Police Station…

And Ganghyun Lee.

Journalist Ganghyun Lee

Redevelopment finally begins in Hangang-gu
Journalist Ganghyun Lee

Hangang Police Station

Annual leave application
Applying due to personal affairs

What do you mean
you want to take a year off?

What's your progress
in the Yoonsu Do case?

You remember that profile
that Lieutenant Yoon put together?

I'm working the puzzle murders
with Lieutenant Yoon.

Miyoung Lee incident profiling report

Analysis of association
with the Donghoon Yoon case

[♪ pensive music]

[Hansaem] It's not just about
Donghoon Yoon and Miyoung Lee.

Chimok Kang and Yoonsu Do's deaths
also had to do with this.

And we caught Chimok Kang's k*ller.

Yes, but then we got a puzzle piece.

Which probably means he was a target.

[sighs]

Who else knows this?

You're the first person I've told this to.

There's one piece
we haven't confirmed yet,

but we'll go public with everything
once we do.

This case is too big.

But…

I don't think it's a good idea
to go public without all the evidence.

We don't know which one of us
took the handkerchief.

[smacks lips, sighs]

And most of all,

there's Lieutenant Yoon.

Remember I asked whether
you could trust her or not?

Do you know everything about her?

How much do you know?

What are you talking about?

From that response,
I'll assume that you don't.

You should ask her yourself.

I won't be approving your leave.

You're basically working
the Yoonsu Do case anyway.

Don't come into the office,
but keep digging.

Just… report back to me what you find out.

[phone buzzing]

Chief Hogeun Hyeun

Take a seat.

I'll stand, if you don't mind.

Sure.

You've got no right to sit anyway.

I heard you're looking at an old case
at Yangseo Station

when you haven't even managed to catch
the k*ller in the Yoonsu Do case.

Don't you have better things to do?

What the hell are you thinking?

I'd like an explanation.

It's a bit too soon to tell you anything.

What?

[scoffs]

I think there's something
we need to make clear.

Do you report to me or not?

Huh?

I believe the Yoonsu Do case is linked to
the Ganghyun Lee case from 10 years ago.

Same for the Miyoung Lee, Chimok Kang
and Donghoon Yoon cases.

I also have a hunch
that our Hangang Police Station

may be at the center of this whole case.

Somehow.

Do you have any evidence?

What makes you think so?

I'll go out there and I'll find some.

[scoffs]

You f*cking guy…

Why the hell are you still standing there?
Go find the evidence!

I'll get right on it.

Uh…

Ah! Right up there.

Those are all the evidence boxes
from the early 2010 cases.

I don't know if you'll find anything,
but take a look.

Thanks.

-The Ganghyun Lee case?
-[Hansaem] Yeah.

Yeah…

We did conclude that it was a suicide,

but to be honest, I had my doubts.

The man died
with a plastic bag over his face,

which I thought was weird.

People usually don't
k*ll themselves like that.

Why didn't you conduct an autopsy?

It's not that we didn't want to,
we weren't allowed.

His family was strongly opposed to it.

Ganghyun Lee…

lived with his son.

After his divorce,
he was left with the kid.

Apparently, he was depressed
and hooked on booze and sleeping pills.

Then the day before his death,

he told a friend of his
he was struggling to raise a kid alone

and that he wanted to die, so…

he did have a reason to commit suicide.

Hmm…

Do you remember

anything about a puzzle piece
that was found on the scene?

A puzzle piece?

[♪ dramatic music builds]

I got it.

Oh, I remember.

Lying next to the corpse
was a single puzzle piece,

which I thought was weird 'cause it seemed
like it was put there on purpose.

I mean, you always find random sh*t
at crime scenes, but…

the son said the piece wasn't his.

I wonder what it was doing there.

It had this weird…

drawing on it.

It was disturbing.

Disturbing, how?

[ex-cop] It was a drawing
of a man holding a camera,

but his eyes had been sewn shut
with some kinda thread.

Something about it
creeped the hell out of me.

The drawing was kinda simple,

like maybe a kid drew it.

Was there anyone who left an impression,
or anything else that you found odd?

Let's see now…

Let me think
who would know this case best.

-You're from Hangang Station, right?
-Yeah.

Then, do you know Jungho Yang?

We're in the same unit.

Oh, man, you should just ask him.

Jungho would know this case
better than anyone.

[splutters] Meaning?

Well, y'see…

originally, he was in charge of the case.

But then he was assigned to
the Investigation Unit at headquarters,

and the case was given to me.

To be honest, Jungho did most of the work

and all I did was wrap the case up
as the higher-ups wanted.

Jeez, those were the good old days.

Think twice before you turn in your badge.

It's a rough world out there.

Wait.

You mean Hangang Station's
Captain Yang of the, uh… [splutters]

…Violent Crimes Unit 2?

Mm-hmm.

[♪ dramatic music continues]

[♪ music fades]

[Lt. Choi clears throat]

You find anything?

Uh, yeah, I did.

I managed to get ahold
of the security footage

that covered the bar connected
to the back entrance of the Canon Tower.

I thought their camera was busted.

Turns out that they were lying
and didn't wanna cooperate.

They handed over this footage
when I threatened to shut them down.

And there was nothing?

No, nothing out of the ordinary.

As you can see,
the video quality isn't great.

So I heard you told Hansaem

that the handkerchief
went missing from the scene.

[♪ tense music]

Aside from the that,

anything else you remember?

Did you see anyone
who was acting a bit strange?

Well, uh, the scene was really chaotic,
so, uh…

what I told Lieutenant Kim was all I saw.

So, what are we gonna do from here?

[sighs]

-I wonder where the handkerchief went.
-[keys clicking]

[messenger chimes]

"Hansaem Kim
Captain, I need to report something"

[♪ tense music builds]

[Jungho grunts]

Why do you wanna meet for a drink?
We're on the clock.

[smacks lips]

Cheers.

[refreshed exhale]

So, what's going on?

Hyung.

Do you know when I admired you the most?

Sure, the fact that you volunteer
at the orphanage once a month

is worthy of respect,

but that could just be because
you're from an orphanage yourself.

You said you had something to report?

So…

back when you first joined our unit
as the captain,

you said that you had
to attend a victim's funeral,

so I asked you why you had to go.
Do you remember that day?

And then you said…

that you had to go apologize to them.

You said it was a cop's job
to protect people,

and that you had fallen short.

You said you had to tell them
you'd catch the culprit.

And that was when…

I admired you the most.

Me? I just enjoy solving cases.

I'm a mystery-novel-and-detective-film
nerd turned policeman.

[chuckles smugly]

But you had a different start.

I've never seen a cop
with as strong a sense of duty.

[exhales incredulously] You know,

I thought you were born to be a cop.

You're a man with a warm heart.

Jungho Yang, he stands for justice.

I seriously thought that.

That's why I call you Batman,
you know? [laughs]

You mind telling me the point of all this?

So why didn't you tell me anything then?

You were the detective in charge
of the Ganghyun Lee case,

and a puzzle piece was found on the scene.

That was the case where the puzzle murders
first started, yeah?

So I really wanna know
why you didn't say anything.

[Hansaem sighs]

Were you the one who took
the handkerchief, Captain?

You know me.

Was it you?

Why would I?

If you didn't,
then why wouldn't you tell me anything?

Why do you think I didn't say anything?

Don't know.

I asked you

whether you knew
everything about Ena Yoon.

How much do you know?

[breathing deeply]

Mok-dong Apartments, unit 212.

That's the unit where Ganghyun died.

That day,

do you know who was in unit 314,
directly above?

[sighs]

Ganghyun Lee's son, Seonuk

and three of his friends.

Seulgi Cho, Yeonghun Oh…

and Ena Yoon.

It was winter break

and Ganghyun's son's friend hosted
a math study group at his house.

The study group went
from 9 p.m. until midnight.

and camera footage showed
everyone leaving at 12:05 a.m.

Everyone, except for Ena Yoon.

Why?

She claimed she went home at 11
'cause she wasn't feeling well.

But you see, Ena didn't leave
the apartment at that time.

She didn't appear on camera

until over an hour later at 12:23.

Ganghyun's estimated time of death
was between 10 p.m. and midnight.

The day he died,
Ena Yoon's alibi was unclear.

However, I couldn't meet her.

Her uncle wouldn't let me interview her.

According to Superintendent Yoon,

Ena felt unwell.
She went to the rooftop to get some air.

He said she stayed there
till the study session ended.

Do you think that makes any sense?

I wanted to dig deeper
into the Ganghyun case,

then I was suddenly
transferred to headquarters.

Then eight months later,

Superintendent Yoon was k*lled.

And just like before,

Ena Yoon's alibi was unclear.

Can you still trust her,
now that you know?

[sighs]

That's why I didn't say anything.

[breathing anxiously]

If we find the accomplice hiding among us…

everything will become clear.

[Ena] Ganghyun Lee lived in unit 212.

And 10 years ago, my study group was

-in unit 314.
-[glass rattling]

[Ganghyun] Hey, I mean,
aren't they all f*cking loaded now?

That's f*cking chump change to them.
They can't f*cking treat me like this.

[sobbing] Hey… man…

I've still got one f*cking b*llet
in the chamber.

God damn it, I might be
a has-been, shitty journalist,

but f*ck, you know me, Cheoljin, right?

I'm Ganghyun Lee and I'm f*cking
gonna f*ck all of you up!

Once I get my sh*t together
and get myself f*cking cleaned up,

Im'a pick the pen back up,
and they're all going down with me.

I won't f*cking go down alone,
you hear me?

Who do you think they're f*cking kidding?

Hey! Uh…

Im'a f*ck 'em all up.

You got that?

[Ena] 8:55 p.m.,
five minutes before study group.

Huh. Nothing was
out of the ordinary that day.

Hey, Cheoljin, I'm so sorry

I keep talking about f*cking money
and sh*t with you, okay?

[sobbing]

Do you think you can put in
a good word for me, though?

Huh, what?

Hey, I wouldn't have f*cking sold it if
I'd known things would turn out this way!

Ugh, just help me, just once.

Okay? Just once, man, just this once.
Come on!

Hey, we're buddies, right?

All the f*cking good times
we had together.

We went through f*cking
hell and back, didn't we?

We were like f*cking brothers, weren't we…

Hello?

[♪ somber music]

[Ena] "Good times."

That was the last time

I ever saw Ganghyun Lee.

[tutor] We've established that variance
is npq, and that q equals one minus p.

The square root of the positive number
gets you the standard deviation.

Now, let's look at the problem.

What's the mean and standard deviation
of 2x minus 5?

What does the mean
of 2x minus 5 look like?

It's 2x minus 5,

but we can multiply it by two

and write it as 2.

Then what value would we get?

Now, if we bring the 5 over to this side…

[Ena] I went up to the rooftop
during the session because I felt stuffy.

And if I'm remembering things correctly,

nothing interesting happened
up until then.

I remember that night was really cold.

[♪ music playing from radio]

What song was I listening to?

I listened to it all the time
when I was in high school.

[♪ dramatic classical music]

[Ena] That's when I saw

someone entering the building
through the front.

Who was it?

[♪ dramatic classical music continues]

[television chatter]

[Ena] This was the k*ller's first m*rder.

It was almost flawlessly ex*cuted.

They must have been nervous
since it was their first,

but they didn't slip up like an amateur
or leave any traces on the scene.

I suppose, the only failure
on the k*ller's part

was that the puzzle piece
didn't get much attention.

Had they put away the soju bottle
and sleeping pills,

the case wouldn't have
been ruled a suicide.

It would have become
a m*rder investigation.

That was their mistake.

[♪ music fades]

Who, me?

Captain Yang asked you
whether I was the culprit?

I wonder why he suspects me.

Mok-dong Apartment unit 314.

[breathes deeply]

[tapping]

What were you doing at the time
of Ganghyun's death?

[breathes deeply]

That night,

I went up on the roof to chill.

I really, really didn't want to study,

and if I went home,
my uncle would've talked my ears off,

so I went up to the roof to get away.

[sighs]

I thought you trusted me 100 percent.

Why didn't you tell me
you knew Ganghyun Lee?

He was your friend's dad,
how could you not have known him?

You didn't tell me
about the handkerchief either.

-Not true, I did tell you about that!
-Yeah, too late.

That's because you never
pick up your phone!

Look, I did tell you in the end, though,

so why didn't you ever tell me
you knew Ganghyun?

We all have our embarrassing secrets,
okay?

Did I really need to tell you that
I got ill*gal tutoring in high school?

If it was relevant to the case,
then of course you did.

[sighs] Then how about Jungho?

Why do you think he didn't say anything
when he knew about the Ganghyun case?

When I first brought up the puzzle pieces,
why did he ignore me?

Because he doesn't trust you.
Because he thinks you're the k*ller!

I can see why he thinks that,
but why did he leave you in the dark too?

He had a lot of time to tell you
everything that he knew.

[Hansaem breathes deeply]

[pounds on table]

You need to decide
who exactly you're going to trust.

-[sighs heavily]
-[door opens, slams shut]

[♪ pensive music]

Call history

Cheoljin Oh

[sighs] Cheoljin…

Cheoljin…

[door opens]

Ena, I didn't know you were here.

Youngim…

do you know anyone named Cheoljin Oh?

Who? Cheoljin Oh?

The name's quite familiar,

but I don't think
I've ever met him before.

[♪ pensive music continues]

Ena Yoon: Decide quickly whom to trust.
Once you do, trust me no matter what.

[traveler] Look over here.

-One, two…
-[shutter snaps]

Jeju International Airport

[seagulls calling]

[sighs]

Do you remember that you always
sent gifts to my uncle?

You sent something on holidays
and my birthday.

No wonder your name sounded familiar.

[chuckles]

I sent things on your birthday,

'cause I heard
Superintendent Yoon loved his niece a lot.

Besides, they weren't really gifts.

They were more like telephone fees.

There's a lot of things that can be solved
with a simple phone call.

Wow… [sighs]

That was a long time ago.

Did you really come all this way
just for that?

No, of course not.

Did you know Ganghyun Lee?

You did, didn't you?

How do you know Ganghyun?

Are you really Chief Yoon's niece?

I don't think I should tell you over text.
Let's talk in person.

What are you up to right now?

[clicks tongue]

Calling…
Ena Yoon

[line ringing]

Hey, hello.

[male voice]
Hello, this is Ms. Yoon's phone.

Hello?

This is Ms. Yoon's phone, right?

[male voice] Yes, it is.

This is the Jeju Police Station.

What's your relation to Ms. Yoon?

Oh, I'm Lieutenant Yoon's colleague.
Did something happen to her?

[male voice]
Uh, this is a bit hard to explain.

Lieutenant Yoon is at the station with us
due to a delicate matter.

Is she there to assist you on a case?

No, she's not.

Actually, she's a m*rder suspect.

What?

[♪ ominous music]

[dock manager] Excuse me.

Excuse me!

Uh… What are you doing there?

[dock manager] Hey, excuse me.

What are you doing over there?

[zipping]

[♪ sinister music]

[♪ sinister music continues]