Yes, sir. I'll give it to her now.
It could take a year
to cr*ck this from scratch.
Anything at all?
Still nothing.
It's not our end. The only
explanation is the Germans
have changed their machines.
If they've changed their machines,
we may as well give up and go home.
God knows, we could use the sleep.
It's been two days. In hut four,
I've got girls twiddling their
thumbs waiting for decrypts.
They're getting very twitchy
about the house.
Let's go back to a data set
from last week. Run that, see what we get.
At least then we can eliminate -
Wait!
I think I've got it.
What?
They haven't changed the machines.
They changed the codes.
Does anybody else count the letters
in the message header?
Why would anyone do that?
It's three characters longer
than is used to be.
I think they've changed
their encoding system.
Moved three indicator characters out
of the code and into the message header.
To what purpose?
It's easier for the operators.
They've been using the system
for two years and think it's unbreakable.
They're getting sloppy.
Those three characters
are throwing everything off.
We just need to...
That should do it.
It can't be that simple.
Why not?
You can build the most complicated
machine but it will still be run by people.
People have shortcuts.
Try it.
Coming clear now.
Yes.
Are you sure you shouldn't
be working in hut four?
Oh... I prefer machines really.
If you ever change your mind...
Nicely done, Miss Merren.
Will you come up to the house
with me?
Carry on, everyone, please.
How on earth did you spot that?
Do you always count the letters?
Only when the other options
don't work.
I'm impressed.
I'm always impressed.
Hang on.
Oh...
I don't really need you
at the house.
I've had some news.
They're posting me
to another department.
Where?
I don't know.
Came through suddenly.
I have to leave tonight.
I'm sorry.
At least we've had this time
together.
It's all right.
I understand.
Well, goodbye, then, I suppose.
Goodbye.
Police, please.
I'm afraid something awful
has happened.
Morning, Miss McBride.
Is she expecting you?
Oh... Yes.
Follow me, please.
Finished?
For the moment, yes.
There's someone else to see you.
Hello, Alice.
I hope it's all right that I came.
You never answered any of my letters.
Sit down.
Let me know when you're finished.
No more than half an hour.
How are you?
Are you all right?
Are you...
Are you comfortable?
You shouldn't be here.
Why did you come?
Because I heard you were in trouble.
Well, I suppose I am.
And I wanted to know if there was
anything I could do to help.
No, thank you.
Alice -
You really should go.
Will you tell me what happened?
Did he...
Did he do something to you?
Did he hurt you?
Whatever happened,
I just want to help.
There's really nothing you can do.
Visitors out! Visitors out!
I'll get you!
Excuse me.
You're defending Alice Merren.
That's right. Are you family?
A former colleague.
Colleague? From where?
Miss Merren seems to not want
to talk about things either.
Which leaves me with very little
material on which to base a defence.
What happens
if she offers no defence?
It will be a very short trial.
15 minutes should do it, I expect.
And then what?
She'll be hanged.
It's a capital case.
The evidence is very clear.
If she wants to live,
she has to say something
to mitigate the circumstances.
Anything at all.
If you're really her friend,
tell her that.
♪ Put your shoes on, Lucy
♪ Don't you know
you're in the city? ♪
Someone to see you out front.
It's not my lunch break yet.
Are you finished with those?
Another ten minutes.
When you're done, you can pop out.
Anyone asks, you went on an errand
for me.
All right.
I can't. I'm sorry.
If they caught me taking files
out of work, I'd lose my job.
You don't have to take them out,
do you?
You could look at them. Recite them
back to me and copy them down later.
Why do you want to know?
Alice Merren.
I suppose you never met her.
She was in the machine hut.
At Bletchley?
I went to see her. It was a very
strange conversation.
Maybe I'm missing something obvious.
But I get the feeling
that she's hiding something.
Something important.
If you're in so much trouble
that you're going to be hanged,
what on earth would be so important
that you would still keep it a secret?
Please, Lucy.
All right.
Just like that?
Just like that.
Thank you.
I'd better get back.
Scotland Yard?
Good for you.
Good morning, ladies.
It happens all the time. The worst
thing is thinking of them
as clients and not the enemy.
I get a lot of compliments.
'Your translation is excellent,
Fraulein.
It will really help us
secure this contract.'
I want to say it also helped us
b*at you, pal.
I'm sure half of them were Nazis.
But the pay is good and needs must.
We live in a different world.
German as friends,
Russians as enemies.
I suppose we'll just have to make
our peace with it.
I suppose.
So, social call?
Partly.
Oh, yes.
I did wonder.
We have 300 girls boarding
and 90 day girls.
Yes, very good.
How old are these girls?
14.
Do they do anything beyond basic
arithmetic? Calculus? Logic?
Some of our girls do study maths
to Ordinary level.
We have a specialist tutor.
We find that arts and languages are
a better fit for most of our girls.
Some of these
have been marked incorrectly.
Hello, Jean.
I've been waiting here for ages.
Since when did you start locking
your front door?
Since last year. Coming in?
I'm only asking you to take a look.
To satisfy my curiosity, if you will.
Jean, it's lovely to see you.
It wouldn't be like last time, Susan.
It's just reading some newspapers
and looking at some files.
And if I'm right
and there's something amiss here,
I'll send it to Alice's defence
counsel and he can handle it.
If I'm wrong, we'll walk away
and let justice take its course.
Nobody's coming to any harm.
I still dream about it, you know.
Dreams where the house comes down.
We're trapped in the rubble
in the dark. I can't move.
Well, um...
I'll leave these here, just in case.
Goodbye, Susan.
Sam, Mummy said no ball
in the house!
Just like old times. More or less.
Thank you for humouring me.
Lucy.
Alice Merren came to Richards'
house on Thursday the 12th.
She sh*t him in the chest twice.
Her fingerprints were found
on the g*n and on the telephone
she used to call the police.
There were signs of a struggle.
Lovers' quarrel?
That's what the prosecution
are going to say.
Richards was married.
Thursday evenings
were his wife's bridge game.
A neighbour said she'd seen a woman
in a green coat and a headscarf
visiting a couple of times.
Thank God for nosy neighbours!
They found a green coat
at Alice's house.
They were lovers at Bletchley.
How do you know?
Things seen.
Jean, everything you're saying,
and everything Lucy's got,
if this was a vector plot, they'd all be
flat lines pointing in the same direction.
This is the sort of case the police
can solve perfectly well, and it
looks like they're doing just that.
Alice hasn't denied any of this.
But she hasn't confessed.
Contents of Richards' pockets.
One pocket handkerchief, one set of
keys, one leather wallet containing
two pounds, four shillings.
One florist receipt
for two shillings and sixpence,
dated 12th of February.
One identity card for Newgate
Laboratories, and a book
of second-class stamps.
If you cross-correlate those items
with police inventories for Alice's
flat and Richards' house...
Why?
I...just think something
doesn't fit.
He bought flowers.
Men do that sometimes.
He got a receipt.
According to the inventory, there
were no flowers listed at his house.
There wouldn't be.
You don't get a receipt
if you're carrying a bunch away.
Only if you're having a bunch
delivered.
Would have been a big bunch
for two shillings.
That would have proved the romantic
connection. The police
would not have missed that.
They weren't for his wife or his lover.
Who did he send the flowers to?
Susan.
Thank you.
Ahem.
Ah, good night, sweetheart.
Good night, Daddy.
Night, Sams.
Sleep well.
Night, Daddy.
So how was Hallgrave House?
It was all right.
Hm, same as Colebrooks, same as
St Augustus, same as Hollydale.
Have you ever considered your
standards might be a little high?
If we're sending them away -
We're not sending them away.
It's just boarding school.
It's not home.
No.
I just want to make sure that,
wherever they go...
..it's as good as I can make it.
I know.
And you will.
Um...
Steadman came to see me today.
Is it what you thought?
Not exactly. It is a promotion.
But it's not Home Office.
I'm sorry, darling.
It's rather better than that.
It's a Foreign Office posting.
What...
What would that mean exactly?
Greater seniority.
Rather more money.
And a sh*t at doing something
a little more engaging
than vehicle licensing.
That's not quite what I meant.
It's a two-year posting
to begin with.
Abroad.
Yes, of course.
Where?
They haven't made
the formal offer yet.
Look, I won't do anything
that you don't want me to.
But this could be my chance, I think.
Hello. Excuse me.
These were supposed to be delivered
to a friend of mine.
But I don't think
they ever reached her.
We'd have heard if that happened.
Well, I would just like to be sure.
You have to sign
if they're delivered.
So we'd know.
If you could just check. It was
for a special occasion, you see.
What name was it?
Richards.
Won't be a moment.
Here's the receipt.
No, they were delivered as requested.
That's strange. Perhaps they were
delivered to the wrong address.
17C Marnham Terrace.
Oh, that's right.
Oh, and the card?
'Happy birthday.' Just as requested.
That's super. Thank you.
They were sent to Marnham Terrace.
That's only a few stops from here.
It must be a woman.
You don't send a man flowers.
A woman he knows well enough
to know her birthday.
17C. That's going to be
the top floor.
Makes her not well off.
Or too young to be well off.
He could have been having
more than one affair.
Someone's coming out. Walk on.
Green coat and a headscarf.
That's what the neighbour said.
It's a blue coat.
It was night-time. The street lamps
would have been on.
Blue coat, yellow light.
It would look green,
like the WAAF uniforms.
Come on.
The court is ready for you.
Silence! Silence!
Look at you,
all smart and professional.
Scotland Yard's finest.
Finest clerical support officer.
Is Susan coming?
I left a message with Timothy.
Tell us about the girl.
Her name is Elizabeth Lancaster.
She's 17 years old. She moved down
from Yorkshire about a year ago.
Which is when she took the flat. She
works in Mayfair at J Moran and Co.
I couldn't find out anything else.
If Richards was seeing this girl as
well as Alice, and Alice found out,
she could have k*lled him
out of jealousy.
They found Alice guilty.
It was on the wireless news.
She didn't say a word. Nothing.
We need to find out all we can about
this Elizabeth Lancaster character.
We could look at her flat.
Isn't that breaking and entering?
Weren't we supposed
just to be looking at papers?
She was one of my girls.
You all were.
She'll hang
unless somebody does something.
Are you coming or not?
Hurry up. She'll be back soon.
Don't rattle your cage, Jean.
Don't push so hard. Ben told me
you feel for them one by one. Then
pop them up and keep the file tense.
Jesus.
I should report you.
That's amazing. Who's Ben?
Just someone at work.
What are we looking for?
I don't know. Anything at all.
I found something.
John Richards.
These are w*r files,
m*llitary documents.
1944.
Requisitioning dockets.
Inter-departmental memoranda.
These are duty detail breakdown
from the machine huts.
So she was stealing from him.
Maybe she was going to sell them
to the Russians.
This isn't top secret m*ssile plans.
It's orders for an extra set
of valves from... nine years ago.
Without clearance, she could still
be arrested for just looking at this.
You think she didn't know
what they were?
A girl who numbers Paradise Lost
amongst her bedtime reading?
She's no idiot.
Let's keep looking.
I've already looked there.
You crafty devil!
Or did Ben teach you
where to hide things too?
What's taking you so long?
You're supposed to be on lookout!
Newspaper clippings. Is that it?
There's more here than you think.
'The accident occurred on Salisbury
Plain in the early hours
of Tuesday morning.
A truck carrying chemical waste
collided with another vehicle.
The driver in the truck, a corporal
in the British Army, was pronounced
dead at the scene.
m*llitary personnel who attended
the chemical spill have been
treated for fume inhalation.'
Why did she hide these and then
stuff the secret m*llitary documents
down the back of the cupboard?
Why hide these at all?
Strange story for a girl
to be fixated on.
I don't think she was. This is
Richards' address. These were his.
She's seeing him regularly,
on the quiet. An affair probably.
She's stealing secret material
that she has no business with.
He confronts her.
There's a struggle.
He ends up dead.
Let's get out of here.
Let's go and find this Elizabeth.
Visitor.
I thought we had an understanding.
You know me. I'm never happy
leaving things half-finished.
You've read the papers.
You're too late.
You didn't k*ll John Richards,
did you?
Alice, what's going on?
You were such a bright young thing.
You obviously liked him.
Loved him, for all I know.
And now he's dead.
The way things are looking,
you're going to hang for that.
You understand this, don't you?
Of course I understand it.
So why won't you tell me the truth?
A woman called Elizabeth Lancaster
k*lled John, didn't she?
We found her.
Jean, for God's sake.
We know that she was stealing
from him. We -
Jean, stop it.
You have no idea...
You have to stop this.
Leave her alone.
Alice!
Leave her alone.
She k*lled the man you loved.
I know.
What?
I know what she did.
And you'd hang in her place?
What leverage has she got over you?
Please, go now.
It's finished.
There's nothing for you to do.
Alice, why are you protecting her?
Finished. Goodbye, Jean.
Good evening, Mr Jardine.
Good evening.
Elizabeth?
Elizabeth, is that you?
Elizabeth, wait!
Look out!
Are you OK?
Jesus.
That was deliberate, wasn't it?!
Where is she?
We've got to find her.
Stay by the door.
Don't let her run for it.
Someone was looking for something.
Someone didn't find it.
I...
I... I...
I need to go.
Timothy... I'm sorry.
Long day?
Not half.
What did you make of Hazeldean?
What?
Weren't you going to look around
today?
Gosh, I completely forgot.
I met Millie. We got chatting.
Better give them a ring tomorrow.
Say you were stricken down.
Yes.
They're going to need an answer,
one way or another, about this job.
Have you given it any thought?
Of course.
I mean, I am.
It seems like an awfully big change.
I've checked her work
and she's not gone back.
Which isn't entirely surprising.
She must be scared half to death.
Alice has just been sentenced.
Date of execution is still to be set.
Any sign of Elizabeth?
She's vanished.
I've got Alice's address.
I don't know what we'll find there,
but we're running out of time
and options.
Alice knew that Elizabeth k*lled
him right from the start.
And she's still willing
to hang for it.
This is the stop.
This is it. Number 23.
Try the back.
Where's Lucy when you need her?
We could try a window.
We can't just break in.
Who are you
and why are you following me?
All right,
let's all calm down, shall we?
Are you working
for that Merren bitch?
I beg your pardon?
Don't pretend!
The bitch in prison.
Are you working for her?
Oh, my God.
Listen, you've got the wrong end
of the stick.
We're trying to help our friend.
You tried to k*ll me.
No, not us. Think.
We weren't in that car.
We've got it wrong.
What?
Greater love hath no man than this,
than a man lay down his life
for his friends.
Except they weren't friends.
What's she talking about?
1936. They're young, they're in
love. Except they're not married.
Who the hell are you people?
Friends of your mother's.
Who?
Alice.
Alice Merren. She's your mother.
No.
No.
Elizabeth, wait!
Get away from me!
It's all right.
It's all right.
Someone tried to k*ll me.
I know. Not us.
Who, then?
We don't know.
She can't be my mother.
She can't be.
Janet and Anthony Lancaster adopted
a two-month-old baby girl Elizabeth,
no surname, on April 16th 1936.
I cross-checked the hospital birth
records for two months before that.
There's an interesting pattern
of missing files,
as if someone was trying
to cover their tracks.
Typical Bletchley training.
She gave her name as Alice Green.
Elizabeth must have realised
she was adopted and went looking
for her parents.
Can't find the mother because
she's hidden herself too well.
So she finds the father.
Thanks, Lucy.
She can stay here for now.
I'm sorry, Miss McBride.
But as I've already said,
my client has expressly stated
she will entertain no more visits
from you.
She doesn't want to see you.
I think she wants to be alone to
make her peace with what's coming.
You should respect that.
Could you give her a message?
What?
Could you say...
14, hut four.
14, hut four? That's it?
Yes, she'll understand.
14?
Error code. Code 14.
Corruption in data set.
Re-do calculation from start.
Fingers crossed she still remembers.
Timothy's been offered a job abroad.
Says it's up to me
whether he takes it or not.
Go to some far-off place.
Exciting, important.
'A chance for a new beginning.'
I don't know what he means.
Really?
He's not thick, you know.
He must realise something.
Ever since Crowley,
there's been a secret between you.
There's always been a secret
between us.
Yes, but that was an official secret,
if you like. You had to keep it.
This one is of your own making.
You know that.
And I imagine he feels it.
Of course he wants a new beginning.
He wants his wife back.
I haven't gone anywhere.
Susan!
It's what we planned, you and I.
Going abroad, travelling.
I wanted to.
I was so ready to.
And then...
What happened happened.
You don't regret it, do you?
Not usually. Just...
Part of me, I always felt
that I'm running after you.
Trying to catch the train.
Girls!
Thank you.
Miss Merren would like
to talk to you.
So... What have I got wrong?
You thought you were protecting
your daughter.
That's it, isn't it?
Elizabeth is your daughter.
Yes.
And John Richards, her father.
You've been busy.
Tell us what happened that night.
You know what happened.
I want to hear it from you.
Why?
I want to know where you went wrong.
Alice, please tell us.
Why were you even there that night?
John called me.
I hadn't heard from him in years.
It was very unexpected.
He told me that Lizzie
had found him.
That... they'd been in touch
regularly.
How did she seem?
He said she was...
..erratic, I suppose.
Confused about her past.
Angry about being abandoned.
But also keen to reconcile,
to make an effort
to pursue who she really was.
I think that's how he put it.
He wanted me to meet her.
I went to the house.
She was supposed to be there.
Instead -
Instead, you found him dead.
And you assumed
that Lizzie had k*lled him.
I'm prepared for all this, you know.
We abandoned our child because
I was young and foolish and
not prepared to face the shame.
He was engaged to someone else.
Someone... suitable.
His family, you know.
No matter how bright I was, I was
still a shopkeeper's daughter.
How am I to blame her for hating us?
You see, there's the error.
Will you stop being so blood
patronising and say what you mean?
Lizzie didn't k*ll John.
There were secret m*llitary
documents hidden in her flat. Hidden
not very well. Meant to be found.
She was supposed to take the blame.
Hang for Richards' death.
Then you showed up at the crime
scene. Put your prints on the g*n,
called the police, took her place.
The thing is, whoever's out
there wants her dead.
And meanwhile, you're going to hang for
something your daughter didn't actually do.
There's still time.
No, there isn't.
There was a deadline for the appeal.
It's just gone.
I told them... no appeal.
What have I done?!
She won't answer.
Lizzie? Lizzie, it's us.
What is it?
Someone tried to get in.
Sweetheart, there are always noises.
It's like Piccadilly Circus
sometimes.
No, someone was there.
Someone's after me.
No-one will bother you here.
You're the ones who robbed my flat.
Technically, I suppose.
But we were very neat.
We left it tidy.
Whoever turned it over came later.
They were after the same things
though. The newspaper clippings.
And these.
I've never seen these before
in my life.
They were down the back
of the kitchen cupboard.
They're not mine.
They were planted.
These clippings.
Why do you have these?
He gave them to me.
Why?
Don't know.
That's a bit strange.
Giving you newspaper clippings.
He must have said something.
What did he say?
Lizzie, please.
He said they were important.
These clippings?
He said they were vital.
Did he say why?
What is it you're not telling us?
We understand he was your father.
But this could really help.
He said he had blood on his hands.
He told me to keep them
somewhere safe. Secret.
He frightened me. I was scared.
It wasn't like him.
Dear God.
What?
Why plant stolen documents
in Lizzie's flat?
To implicate her in the m*rder.
She was already implicated.
To make the case watertight, then.
A 17-year-old girl would take
jewellery, money, from a house.
But m*llitary documents?
Think, what do they do?
They breach the Official Secrets Act.
And what does that mean?
The trial will be held
under m*llitary jurisdiction.
Exactly. Except Lizzie wasn't
arrested. Alice saw to that.
But you see the connection.
The army.
Every step of the way.
The case would never have seen the
light of day if Lizzie had been
the one taken in for it.
It would have been referred
to a m*llitary court.
Richards was a chemist.
He was following a story.
He was obsessed with it. Why?
He'd seen something in these
reports that meant something to him
and not to anyone else.
This crash story,
it feels like a cover-up.
A fake.
Something happened on Salisbury
Plain. Richards found out.
They k*lled him to keep him quiet.
By they, you mean...
The army.
If you're right,
they didn't just k*ll Richards.
They also tried to k*ll a girl
who's done nothing more
than speak to her father.
What the hell have you got us into?
There's no improvement.
Not with any of them?
There are severe respiratory
complications.
The tissues of their lungs are...
Well, corroded.
I don't know they'll survive.
If they die, what shall I say
is the cause of death?
Chemical burns, fume inhalation.
After all, that's the truth,
isn't it?
You'll have to excuse me now,
Doctor.
I have some rather pressing
business.
Tell me what you've got.
Anything is better
than just waiting.
Mummy, if Daddy goes abroad,
does that mean Sam and I come too?
I'm sorry, your services
are no longer required.
She's gone.
There are four of you.
Where's your friend?