Class of Lies (Undercover Teacher / Mr. Fixed Term / Miseuteo Kikanjke / 미스터 기간제)

Normally, contrary to people's belief,

even writings posted online have a recognizable style.

Where they place the commas, the indentations,

how they separate paragraphs,

the number of periods they use for abbreviations.

If you analyze these little details,

you can find out who wrote what.

Just like this.

According to my analysis,

one person continuously posted all the slanderous stories...

about Su Ah on the student community portal.

The person changed the writing style each time,

but you can't fool me.

So? Who was it? Who posted those photos?

Stupid idiot.

She looked so angry because she was being wronged.

So? There's nothing she can do.

This is just the beginning. Once I make my debut,

no one can look down on me.

Not Gi Hoon, not Beom Jin,

and not that witch Tae Ra.

Mr. Gi?

I heard the news. You're making your debut.

Our CEO is so impatient.

Did he call the school already?

To cut me slack for missing classes because I'm debuting soon?

Did you buy a bouquet just for me?

I thought you were only superior physically, but you're sweet, too.

Once I make my debut, I'll send you my concert tickets.

Front row.

Hey. I didn't grab it yet.

Don't pick it up. You won't get to make your debut.

Not only now, but ever.

You'll never get a chance like that in your lifetime.

You will never debut and be happy.

Never.

What are you talking about?

Why can't I make my debut?

I waited so long for this.

Why did you do it?

I heard you used to be close.

It was you.

The source of the disgusting rumors surrounding Jung Su Ah.

Cheonmyung High's Student Community portal.

The secret sysop.

What are you talking about?

Rumors about Su Ah?

What rumors?

What's this? - See for yourself.

I won't drop it this time.

Na Ye Ri? Are you sure about this?

100 percent.

Her address, IP address, cell phone, laptop MAC address,

and the WiFi routers of nearby internet cafes all match.

Conclusively,

the person who created the portal is Ye Ri's fan.

The kids call this a tribute.

Su Ah...

Poor Su Ah.

She should've gone into acting rather than singing.

Hi, YERIROOs!

I have great news today that I want to tell you...

before anyone else.

Finally...

I will be making my debut, which you've all been waiting for!

Posts on the student community portal,

various social media, and community sites.

It wasn't just a few kids...

whose lives were ruined because of you.

What did I do?

Is there proof?

Do you have proof that I posted these stories and pictures?

Proof?

Do you deserve to ask for that?

Did you target those girls because you had proof?

You wrote them carelessly.

Whether they die...

or become mangled trying to escape.

You just wrote them first.

Do you want to get fired?

You say that so easily.

It's someone's livelihood.

What do I care?

If you don't want that, get lost in silence.

You're just a temp.

How dare you try to lecture me?

One call from my dad can get you fired right away.

Do you want that?

Your great father got transferred to the India branch.

He assaulted a worker,

put pressure on a subsidiary, and got caught.

He won't get promoted anymore.

If this ends up online,

your debut won't be the issue.

It'll be about whether or not you can survive in Korea.

Can you handle that?

I'm just a temp who has nothing to lose but a job.

You'll have to quit training which was all you did for seven years...

and join your father in India.

Do they have girl groups there too?

I've never been there, so I don't know.

Is someone here?

Mr. Choi?

It's you, Ye Ri.

Who is this?

It's nice to meet you.

I'm a teacher at her school, Cheonmyung High School.

My name is Gi Kang Je.

Hello.

Why are you here at this time of night?

I don't know how to put this.

Why? What is it about?

There's an issue that could jeopardize Ye Ri's debut.

Would you mind if I tell him...

what I know?

Yes. He should know the truth.

Take a look at this. You'll see what I mean.

What Ye Ri tried to hide.

I'm sorry.

I'm sorry for everything.

Will you forgive me?

Do you admit...

that you did everything?

Yes, I admit to everything.

What on earth did she do?

She skipped class. Habitually.

What? She skipped class?

Yes. She disappeared...

just to practice too many times.

She's at risk of not attending the minimum number of school days,

so I came over out of concern.

Oh, I see.

I'm so sorry. We should've been more careful.

Fortunately though, Ye Ri admitted to her mistake,

so I'll let her off this time with just a warning.

Will you close it down?

The CHSC?

What?

The club you started.

Let's close it down for good.

You won't have time to run it anymore, will you?

Okay. I'll close it down.

Good. Let's discuss the rest of it at school.

I'll see you next time, Mr. Choi.

If need be.

Sure.

Goodbye.

You just skipped class?

What? - Is there anything else?

Anything that could be risky for us?

No, there's nothing else.

I was worried. Pack up and leave.

That's all for today.

See you around at school.

It was you.

The source of the disgusting rumors surrounding Jung Su Ah.

Cheonmyung High's Student Community portal.

The secret sysop.

Darn it. Who does he think he is?

Why take it out on me?

Ye Ri, congratulations on your debut!

We saw what you uploaded yesterday.

Are you really making your debut?

Move.

Come on.

We prepared something to congratulate you.

Yes. - That's right.

Okay. 1, 2. - 1, 2.

Congratulations on your debut - Congratulations on your debut

You'll never get a chance like that in your lifetime.

You will never debut and be happy.

Happy debut, dear Ye Ri - Happy debut, dear Ye Ri

I told you to stop!

Darn it.

I said move. Why didn't you listen?

What's the matter with her?

Is something wrong?

What is it? Is something wrong?

They got here early to congratulate you.

It's nothing.

I'm just annoyed.

It's nothing to celebrate about.

Hello. - Hi.

Hello.

Don't mind their glances too much.

What?

Reacting each time will only get them more excited.

So don't look around and walk confidently.

Why should we care when it's not even true?

Yes, well, I guess.

My goodness.

How can you two...

walk around together in this situation?

You're not thinking at all.

Hello.

What should they be thinking about?

I have no idea what she's talking about either.

Tell the truth.

You were at Mr. Gi's place until late at night.

Did something happen?