Happiness (해피니스)

I hope we get out...

and get to watch this together.

When we do,

I'll say it properly.

That I like you.

The receiver cannot be reached. You will be directed to voicemail.

You will be charged after the beep.

Seo Yoon.

Sae Bom.

Poor you.

Yi Hyun's still at the apartment.

I'll go and get him.

What about you? Are you all right?

I came to see Mom.

She's here.

How I wonder what you are

Up above the world so high

Like a diamond in the sky

Twinkle, twinkle, little star

How I wonder what you are

Seo Yoon.

Wait here.

Seo Yoon! - Mom!

Seo Yoon.

Right. You should stay there.

I caught a cold.

You came here with the cop lady.

Is it serious?

No, it's just a mild cold.

But I don't want you to catch it.

So you're getting the surgery. - Yes.

You can't get sick before the surgery. Okay?

Get the surgery like a big girl.

And listen to her.

Okay?

That way, the three of us can be a family again. Right?

Seo Yoon.

You should listen to your mom.

See you after your surgery.

Mom.

Bye.

They told me that...

Seo Yoon could get the surgery thanks to you.

And you gave them Seo Yoon's letter. Right?

I was able to get this far thanks to that letter.

Without that,

I would have been just like my husband.

I know I'm asking a lot.

Please look after my daughter for a bit longer.

I don't know what's going to happen to me.

You should go now.

Please go now.

This is just a formality. There is no need to get nervous.

Okay.

How many people are infected in the apartment?

If Detective Jung Yi Hyun is infected too,

there are two.

Na Soo Min, a man from the fourth floor, was infected.

And two more people died after getting infected.

Tell me everything you know about the infected.

We might need this information to develop a cure for it.

Stay strong for the surgery.

I'll go visit you in the hospital with Yi Hyun. I promise.

My mom is infected, right?

My mom is just sick too.

Just like me.

Of course.

That's why...

she will get better.

And so will you.

It's about Seo Yoon's mother.

She held out this long just to see her daughter.

She won't be able to hold out anymore.

She will be moved...

to a freezer warehouse in a couple of days.

We made this with the sample of your blood.

Your antibody count is falling.

So what?

So this is the last effective shot of the disease.

We must amplify this to use it for research purposes,

so we can develop a cure.

So give this up...

for the sake of everyone's safety.

A medical commander has come to take you.

They are planning to take you...

and the cure to the lab.

So...

you're breaking your promise?

What are you doing?

Stop him.

It won't take long.

Do you even know what you're doing?

You bet I do.

I'm done.

Where's Yoon Sae Bom?

Where's the leftover cure?

She just left.

Didn't you see her?

Go through the back gate on the first floor.

You'll see your car there.

I left a present for you in the car. Make sure to take it.

Can you do this, though?

I thought...

you were ambitious.

I have a plan. Don't worry.

Just do what you need to do.

If you get caught,

I won't bail you out.

Don't worry.

You'll get better.

What are you doing right now?

That's the cure, right?

Yes.

I was just going to leave.

But I couldn't.

Are you going to shoot me?

What are you going to do now?

Even if you get out of here,

you used up the cure.

I'm not that special.

There will be other people...

with the antibodies.

Yi Hyun has me,

but Seo Yoon...

doesn't have anyone.

Until then,

I just need to stay by Yi Hyun's side.

Hurry up and leave.

They check people who are wearing protective gear.

Nobody will pay close attention to you.

I always knew...

you and I had a connection.

Wait.

You can't go like that.

No, not that. The gun.

People will get suspicious if I'm okay.

Really?

It's going to hurt a lot.

Hurry up. Before I change my mind.

Close your eyes and take a deep breath.

Wait! Not the face!

Hit me someplace that won't hurt.

People will get suspicious.

Plus, the swelling goes down on the face faster.

Okay.

In one go.

Thanks for the gift.

Yoon Sae Bom got out.

You know this won't end with just you getting fired. Right?

Why? Are you going to sentence me to the death penalty?

I thought you were smart.

Why did you do it?

If you only gave one of the cures to your wife,

I could've let this go.

I did all sorts of things to lower the number of the infected.

Lockdowns, quarantines, killing.

I have enough blood on my hands.

Thanks to that, you succeeded.

You protected a lot of people.

I only saw people as a measure of efficiency and numbers.

But after seeing Yoon Sae Bom,

I realized there was another way.

Yi Hyun.

When you were next to me,

I didn't realize how special you were to me.

I will find you wherever you are.

Salute.

I heard Yoon Sae Bom left with your uniform on.

Yes, sir.

She forcibly... - Forget it!

Where do you think she went?

It seems like she's planning to...

run away abroad with the cure.

I think we should put out an APB for the airports in Korea.

She went to the apartment because her husband is there.

Sir.

Keep going.

There's someone with the antibodies in the apartment.

Give me full authority.

Then I will bring you the cure.

Will it be okay to leave?

It's okay. Even the news said everything was okay outside.

Everyone but the detective left from Unit 501.

Even still. If we leave too...

It's better if we're not here.

We'll be helping by leaving.

What?

Who is it? - Hold on.

Hold on? - Who is that?

Hey! It's Unit 501! You're the wife in Unit 501!

Hey! Unlock that! - Okay.

Are you okay?

Did you get hurt? - Did they tell you to come back in?

Hold on, you guys.

Where's Yi Hyun? Is he okay?

Well...

Is he alive?

Oh, gosh.

Yi Hyun.

Wake up.