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The human Nam Sin.

Ask if I'm the only thing that matters to her.

Ask if you're really nothing.

Is the human Nam Sin all that matters to you?

Do I really mean nothing to you?

He controlled me like his avatar.

Wounded me intentionally.

You're my toy now.

Go act like nothing happened.

Okay.

He plays with me like a toy.

I can't do this anymore.

This isn't who I am.

- Are you going to keep doing this? - No.

Let's not be discouraged.

It's not a sin to be a robot.

Don't hide.

It's time to stop pretending to be the human Nam Sin.

Come to think of it, when did you change your clothes?

- I'm a different Nam Sin. - He's a robot.

He isn't the meanie Sin.

He's the kind robot Sin.

What? A robot?

Hee Dong is correct.

I'm a robot, Auntie.

I need your help for Grandpa's and Hee Dong's sake.

There's no need to hide.

You figured it out before, right?

You're correct.

I'm a robot.

There's no need to hide it.

Because...

I'm not human.

Who's the real one?

What's going on?

They look identical.

What's going on?

Hello. I planned and launched MediCar.

I'm an AI robot, Namsin3.

(The day before the shareholders' meeting)

It'll be okay, right?

I'm the one who told him not to hide,

but now that we're about to say he's a robot,

I'm worried.

People will talk.

There will be unexpected events as well.

But I understand why he wants to stop pretending.

I want to stop Sin,

and he doesn't want to hide himself anymore.

We agreed to help each other, so we must do our best.

That's right.

Unless you plan to move to the countryside,

the truth will get out eventually.

Let's expose this once and for all.

I'll set the stage before the meeting from outside.

"A robot can become this great."

"He is totally a hero."

(Episode 33)

It's on the news!

He really must be a robot.

- How is that... - It's true.

- What's going on? - It's a robot?

We have shocking news.

At PK shareholders' meeting today, an AI robot...

This is a robot?

It looks like a person.

- The world is changing indeed. - It was confirmed...

that the Nam Sin who saved people from the fire...

was this AI robot.

- It's handsome. - The robot stopped the accident...

- Gosh. - during the driverless car test drive as well.

The public is stunned at the news.

That's awesome.

He's crazy cute too.

He looks like a person.

It seems like that really happened.

They say the Nam Sin who saved people from the club...

was the robot.

It was also the robot that stopped the accident...

during the driverless car test drive.

(A Leap in Artificial Intelligence Technology)

HR Foundation, which created the AI robot Namsin3,

was established by Chairman Nam Gun Ho.

The chairman believed the future of PK Group...

resided in artificial intelligence.

We are here for Mr. Nam Sin today.

He has also received the chairman's shares already.

He revised the contract.

You didn't know?

Dad's shares...

went to Mr. Ji.

So did mine. It's a bonus.

(Stock Transfer Agreement)

(Assignor: Nam Ho Yun, Assignee: Ji Young Hoon)

Young Hoon.

Is this true?

The chairman gave them to me, sir.

It was on the condition that I operate PK...

with Namsin3's AI technology as the core.

I am the agent. The true business manager...

will be Namsin3.

The robot will run the company?

Sin.

Let's go.

What's going on?

Are you trying to kill the company?

How could a stupid robot run the company?

What... What are you doing?

You may continue if it will ease your anger.

I do not feel emotions or get upset.

Why you...

Your blood pressure is 158 over 102.

Your heart rate is 112.

If you get any more upset, it'll strain your heart.

You should calm down.

What... Are you a doctor?

- That's enough. - That's right.

Let's hear what they have to say!

- That's right. - We should hear them out first.

The MediCar system is like what you just saw.

It senses the driver's state and acts accordingly.

However,

that is merely the beginning.

PK will take on a new project.

And that is M-City.

The city that you see is a future smart city,

in which the environment, accidents, and illnesses...

are completely regulated.

(Business Agreement)

Through an alliance and codevelopment of technology...

with the Transportation Safety Authority,

we will develop the infrastructure for the roads,

commercialize environmentally friendly...

home and public fast charging stations in the city.

And a smart AI air filtration system...

developed by experts will be implemented...

to guarantee optimal air quality.

Will artificial intelligence...

stop at controlling M-City?

In the movies, artificial intelligence attacks...

and rules over humans.

I am that very artificial intelligence.

I excel more than humans,

but I do not compete against humans.

I do not attack or rule over humans.

I meet their inadequacies and learn their sensitivity.

To me, M-City is a city where humans and I...

can cohabitate.

I want to be with humans.

Will you join this impossible dream...

of an artificial intelligence?

(Are You Human?)

What? Why are you...

Mr. Ji asked me to come just in case.

He asked you?

He knew this would happen to me?

I have an ambulance waiting. Let's go.

- Let go. - Sin, please.

Sin.

How could you do this to me?

Say something.

Make an excuse. Anything!

Young Hoon.

- Sin. - Mr. Nam.

Let's go.

"I'm a robot."

How does it feel to have shocked the world?

I don't need to pretend to be a human anymore.

That's more than enough.

True. It was very inconsistent with your character.

I'm more worried about you.

Me?

Why?

You're a human that's close with a robot.

You'll be the target of people's curiosity.

Stay apart from me when we're outside.

Don't act like we're close.

You told the truth. Why are you telling me to lie?

I like being close with you.

I like that I like you.

I have something else to come clean about only to you.

Only to me? What is it?

Is it more shocking than being a robot?

If I had remained with the human Nam Sin or Mr. Seo,

I would've broken the rules and hurt people.

I was able to protect my identity thanks to you.

I was able to become what I am because I was with you.

It's such a relief...

that I'm your robot.

I am your robot, So Bong.

My own robot.

I like that.

- And? - And?

"I like you."

"I like you so much that I could just die."

You should say something like that.

But again, liking and dying...

have nothing to do with you.

Okay, shall we go now...

into the mayhem?

Sure.

- He's coming. - He's here.

Are you really a robot? Who made you?

Did you save people because it's the first rule...

by Isaac Asimov?

Namsin3 saved your life twice.

What is your relationship?

Please give us a statement.

- What... - What is this?

- Please give us a statement. - Did you know?

- Please give us a statement! - Please.

- Please tell us something! - Please tell us!

Are you really a robot? Who made you?

What? Isn't... Isn't that him?

Sin is a robot? What...

What is your relationship?

Do you admit to being a robot?

Were you responsible for the company's advancement?

Robocop!

Are you really a robot? No, right?

Hasn't he seen a robot before?

Why is he fainting?

That's right. Wake up.

Don't make me lift you, fatty.

Why did you come?

Why did you come here after dropping a bomb like that?

I had nowhere else to go.

I think people will hate me anywhere else.

Go get changed.

You should clean.

Okay. I'll be right back.

Thanks, Dad.

My gosh.

It's a ticket to the Czech Republic.

I booked the soonest flight. Go with me.

The person who created MediCar...

was not Mr. Nam Sin.

He is another Mr. Nam Sin.

Hello. I planned and launched MediCar.

I'm an AI robot, Namsin3.

(Dismissal of Seo Jong Gil)

Hey, you. Have you lost your mind?

Why that little...

You seem to be enjoying life.

You moved into the chairman's office already.

I don't plan to use such a grand office.

Jong Gil.

I just thought you might want to see it one last time.

Gosh, Young Hoon.

You're more frightening than I am.

I didn't turn my back on Jung Woo when I was with him.

I betrayed him because he left me.

But you trampled all over Sin...

while standing right next to him!

You saw the notice. Pack your things, and leave.

Seriously.

A hero? Give me a break.

He's a robot that kills people.

What will happen if this gets out?

Don't think about saving your job with that.

- What? - How do you know...

if that's Namsin3 or the human Sin?

So Bong will say it was Sin.

Hey, you.

You don't care if Sin goes to jail?

You don't care if he becomes a murderer?

Do you think I did this without expecting that?

I started this expecting to see it to the end.

Why don't you at least sit on the chair?

You worked for it all your life.

I should give you that much satisfaction.

You rat. I'll kill you!

You rat. Seriously.

I'll kill you. I will kill you all!

You... You little...

Hey. Let go.

Let go. Let go of me!

Why you...

Let go. I told you to let go of me!

Sir.

Please pull yourself together.

If you do this,

what am I supposed to do?

Hey! Why you...

He really is a robot. He carried all of my friends,

but he didn't get exhausted at all.

That's right. What conglomerate heir...

would risk his life to save others?

It was only possible because he's a robot.

How much does that robot cost?

I want one too.

Forget men. I want to live with a robot like that.

With the appearance of the AI robot, Namsin3,

PK Group's stock has reached an all-time high,

and the group's popularity is rising as well.

Everyone wants to know the person who invented him.

You're the one who made me.

Everyone's talking about you.

Thanks for coming...

- although I called out of the blue. - It's fine.

I wanted to tell you something as well.

I'm sorry for saying what I am without asking you.

It's okay.

It was going to happen eventually.

Thank you for understanding.

I called you here...

because I have one last favor to ask.

I know it's wrong,

but I'll just come out and ask anyway.

You and Sin...

can't live in the same place anymore.

Can you go with David...

back to the Czech Republic?

I'm sorry, Mom.

The moment I said I was a robot,

the human Nam Sin was probably hurt.

I realized there are things I had to protect...

even if it hurts others.

I hope the human Nam Sin will accept my image,

which you created for me.

That is the only way we can accept each other...

and grow closer to each other.

I had...

installed a kill switch inside of you.

A kill switch?

That's right.

Once Sin woke up,

I was going to...

I'm sorry.

I was terrible.

It's okay.

You were trying to protect the person precious to you.

I will do anything to protect So Bong as well.

I'll go now. So Bong's waiting outside.

She saved you.

She even risked her life to prevent me...

from activating the kill switch.

Did I cry without realizing it?

Seeing you didn't make me happy enough to cry.

I can hug you even if you don't cry.

Sure. Yes, you can.

You can hug me a lot.

You can hug me over and over again.

Mom told me about the kill switch.

Are you okay?

Why did Dr. Oh...

Is that why she called you here?

I'm fine. I have you.

Thank you for preventing her from activating it.

It was nothing.

I'm glad as long as you weren't hurt.

My robot is all grown up.

Where's the kill switch?

With Dr. David.

So your mom told you.

It's going to its rightful owner, so I feel better now.

This is your life, so guard it well, my son.

Thank you, David.

Anyway, my son's famous now. What do I do?

Given what it is, enjoy it.

Show everything you're capable of too.

I'll see how far you develop.

I'll go now. Please take good care of Mom.

Tomorrow is the day he was made.

It's like his birthday.

Thank you for telling me.

Be born again, my son.

I called you out to have a drink.

You don't want to get drunk again?

It's still the afternoon.

I just don't get it.

Why did you do that to Mr. Nam?

You were so protective of him.

Why did you throw him away like that?

It was the only way to stop him.

I'll do anything to make him come back to his senses.

I knew it.

I rather hoped you started to have ambition.

Like normal people who seek success...

and get obsessed over titles.

Neither Sin nor I care about any of that.

He just thinks the company was taken away...

because he's mad at the chairman.

Once he calms down...

and realizes what he truly wants,

I'll help him.

If he needs the company, I'll give it to him.

I promised that kid too.

Sure

But I don't know if he'll come back that easily.

Mr. Nam isn't at the house.

I think he's overexerting himself again.

- Isn't that Nam Sin? - He's here.

- It's him. - Who are you? Nam Sin? Namsin3?

Are you a human or a robot?

Do I look like a robot to you? Are you blind?

Why are you here? Do you resent the chairman?

Will you give us an interview with Chairman Nam?

- Who are you? - Let us see the chairman!

- Look this way! - Please tell us!

- Why are you here? - Please give us a statement.

Please look this way!

The identity of an AI robot has been revealed.

Finally, you, my masterpiece,

are beginning to shine.

The world will respect me...

and realize what a great feat I accomplished.

Now, you think I'm that jerk.

Why did you give your shares to Young Hoon?

Was it intentional?

Mom, then Young Hoon. Must you take everyone from me?

You can...

stop pretending to be Sin now.

I am Sin.

The real Sin.

Sin?

Watch out for him.

He may come to kill me someday.

He can't find out about the kill switch.

You'll be gone too.

Kill switch?

What's that?

Do I have that, Grandpa?

Your mom made it.

To get rid of you once the real Sin wakes up.

Mom made it?

Is there a way to get rid of that?

Is there really no way to completely destroy it?

Sin. Stop teasing your mom.

There was a way...

to get rid of it.

Grandpa, who has it?

It's inside of your head.

It's nice and safe.

In my head?

Where is my "head"?

Ye Na. You have David's number, right?

Why do you ask?

Will you really destroy the robot?

Just do as I say.

No. What's wrong with you?

How far must you go?

I can't watch you destroy yourself. Please stop...

You found it...

already.

(I found the robot at the gym in our neighborhood!)

Namsin3. Wake up!

You're not sensitive to humidity,

freeze if you go in water,

or anything like that, right?

My gosh.

Hey. They say this is how celebrities come to spas.

But you really look like a celebrity.

Why did we come here?

Because it's refreshing to be in a hot room.

The temperature here is 42°C.

"Refreshing" is not the appropriate term.

People need to sweat for their skin...

to feel cool and refreshed. Okay?

You need to learn more about people.

That's why I brought you here.

But you really don't sweat.

But again, you probably don't pee either.

Your pulse and blood pressure are spiking.

- You need to rest. - Shall we?

Sure. It's hard to breathe in here. Let's go.

It's hard to breathe. My gosh.

- Yours is yellow, and mine is blue. - Okay.

Don't confuse them.

Did you try hard-boiled eggs?

- No. - You eat that in places like this.

This is how you peel the shell.

Look at this. Peel it right off.

You see how easily it comes off? Try it.

Peel it like this...

My goodness. The egg...

was crushed.

I'm sure nothing will survive...

after hitting your head.

Gosh. So I know you don't need to eat,

but just eat anyway.

You're supposed to eat this today.

It's a secret,

so don't ask or argue. Just eat it.

- Thank you. - Sure.

It's delicious.

Do you really...

like my daughter?

My number one rule is to protect So Bong.

That's your way of saying you like her, right?

Are you worried about her liking me?

That goes without saying.

I still wake up in the middle of the night.

She does everything possible to get hurt.

That stupid child.

I'm sorry.

Sorry? Who knows how long it'll last?

How do you know how solid her feelings are?

I don't know about her, but I don't change.

I am predictable.

Don't be too sure.

You were modeled after a person,

and you keep developing even now.

Who says you can't become like a person?

People change,

and machines rust. That's what time does.

So drop your stupid predictions,

and for just today... Just today,

like if you like, and hate if you hate.

Like and hate to your heart's content.

That way, you won't regret it later.

Like and hate to your heart's content to avoid regret.

I need to go somewhere.

We made it look identical, right?

Yes.

This is for So Bong.

She gave it to me while saying it's her heart.

Well,

at least you know how to return a woman's love.

Of course you should.

When I give her this, I'll learn...

what it is to like and hate to my heart's content.

Your son is very warm.

He isn't my son. Be careful what you say.

He's my future son-in-law.

Future son-in-law.

Must you go this far?

What if you get caught?

Shut it, and wait here.

I'll be right out, so plug in the address.

Who are you? What are you doing? Sin!

Sin!

So Bong went to get the cake... I mean, the pastries.

What? Didn't you go to the spa with Mr. Kang?

I left something behind, so I came to get it.

- You go first. - That's right.

I'm Robocop. You're a robot.

We're brothers.

Include me too.

I'll change my nickname to Iron Man or something.

There's no room for you.

What do you mean?

- You should come soon too. - Okay.

(Let your instincts guide you!)

Namsin3, welcome home.

Namsin.

Let go!

- I'm going to Sin. - No.

- That's what I've decided. - Dad!

From now on, you can't see anything...

related to what I do or how.

That's the last bit of kindness I can show you.

They'll guard her so she can't escape.

Let's go.

(Mom)

Sin. Come over, and eat what I cooked.

I'll wait until you come.

(Power off)

Sin has the kill switch?

Yes. I think he's going to do something.

We were going to a construction site,

but I was abducted.

Dr. Oh.

Please stop Sin.

Look into Ye Na's car's navigation system.

Yes, sir.

What are you two doing? Are you signaling each other?

Right?

You look nothing alike visually,

but you seem alike for some reason.

Don't say that. You'll offend my Namsin3.

Why that... I raised my daughter,

- but she's... - Very useful.

Since So Bong is pretty, cute, and lovable.

My gosh. Did you eat a stick of butter?

Why are you so greasy?

What's wrong with you? Is this another error?

I promised to say what I want.

(Nam Sin)

I'll call in 10 minutes. You'd better be alone.

What's taking the guys so long? I'll go out and check.

Hurry up.

We almost couldn't have the party because of you.

Why is it always my fault?

- You always blame me. - Give it here.

I can't wait to eat.

What? When did you get here?

- You were just at the gym. - I was?

Why did you get changed so soon?

You're a fashion robot.

- I'll see you upstairs. - Okay.

I'm going to eat a ton of delicious food.

Did you go to the gym?

That's right. Why did you leave this lying around?

Look across the street.

The kill switch.

Your heart. Your life.

You'll be dying today. What should you do?

So Bong would be so hurt to see that.

- If you don't want to hurt her, come with me. - Wait.

Give me a few minutes.

Fine. You should say goodbye.

Track me, and follow me.

The kill switch.

- Why isn't he coming? - Wasn't he here?

- He was. - We met him.

He went to get you guys.

- Must I wear this? - Put it on.

- You should wear one too. - Hey, stop.

What's taking him so long?

Stop eating.

He ate all of this.

- Look. - My gosh.

Dad, come on.

It's fine.

Eat up, okay?

(Mom)

The person you have reached is not available.

Please leave a message...

What is it? Where are you going without telling me?

Are you going to see Dr. Oh?

Since it's the say she made you?

Liar.

Just kidding. I'm just sad that you're leaving now.

We were preparing a party for you.

You'll be back soon, right?

Put this on for me before you go.

I heard from Dad.

You can't just leave my gift and go.

You're so lame.

Let's stay together for a very long time...

until the very end, okay?

I can't live without you now.

I love you,

So Bong.

He said he loves me.

He loves me.

We're almost there.

Is everything ready?

Yes, sir. If things go well,

you may be able to make a comeback.

(Mom)

You're not scared, is that it?

He's still acting all confident.

You made it.

Did you say your goodbyes?

Are you prepared?

Beg and plead.

Who knows? I may change my mind.

You won't.

If you've decided to press it, do it.

Don't toy with me.

Who are you to tell me what to do?

I decide when to press it.

Put an end to your rage with destroying me.

Stop destroying other people.

It all started with me,

so end it with me.

Press it.

Wait.

I'll end it soon.

No!

Sin, are you okay?

Why did you come here? Please go.

No.

Don't do this.

- Please. - Please go.

Who knows what the human Nam Sin will do?

You can get hurt, but I can't?

Stay still. Mom will handle this.

You can't get hurt.

It's the rule. I can't hurt humans.

I'm not a human. I'm your mom, Sin.

I need to step in to protect you both.

Sin.

Let's talk.

I'll listen.

Wasn't hiding the kill switch enough? Why did you come?

He did nothing wrong.

Take it out on me.

You...

lost your final chance to get your real son back.

Sin.

Are you okay?

Mom.

Please leave.

Sin.

Mom...

It's my birthday present.

I pray it works well.

Please.

Please.

I can see clearly.

But my body won't move.

It will soon.

I'll stay with you, so don't worry.

Mom.

It's my fault...

It wasn't your fault.

It was my fault.

I told you...

to go to the Czech Republic by yourself.

I'm so sorry.

I promised to go with you,

but I broke my promise.

Mom.

My kind son.

When I made you,

I was truly happy.

I'm sorry I can't keep my promise...

to go back with you.

Tell Sin...

that I'm sorry...

for leaving him alone...

once again.

Mom.

Mom.

Mom, don't die.

Police?

A robot killed a person.

It's a killer robot.

Mom.

Mom.

Mom.

(Are You Human?)

I heard about Dr. Oh.

What? You think I did it?

Go take a trip.

I'm sure it was Dad.

Where's Sin?

Where is he?

Give me the chairman's shares unless you want him dead.

I want to cry like a person.

11 hours and 12 minutes.

The kill switch was activated again.