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- Pr

- Previously o

\h\h- Previously on

\h\h- Previously on "The Irratio

\h\h- Previously on "The Irrational"...

\h\h\h- Nearly all irrational behavior

is driven by our emotions.

It’s nice to meet you, Izzy.

I had up to fifth-degree burns \h\h\h\h\h\h\h\h\hon 60% of me.

- Got a couple sixes.

- I survived. You will too.

Your scars won’t have \h\hto feel like this.

You can come through this \h\h\h\hwith a good life.

\h\h\h\h\h- Do you know Professor Rachel Myers?

- \h\h\h\h\h\h\h\h\h\h\h- Yeah. - She offered me a position.

\h\h\h\h\h\h\h- I know. What happened was crazy.

- But it’s always crazy.

I have to tell you something,

and I don’t want you to be \h\h\h\h\h\hupset or hurt.

You’re taking the job \h\hwith Rachel Myers.

- You know what this means. \h\hYou’re number one now.

You’ll have to help \h\h\hthe professor

choose a number two.

♪ She’s the wave that I am riding ♪

\h\h♪ The thunder to my lightning ♪

♪ She’s the one and only cake \h\h\h\h\h\hthat I am icing ♪

♪ Oh, something’s \hcoming over me ♪

♪ I’m obsessing ♪

- I’ll be right there.

- ♪ Head over feet ♪

♪ You know life ♪

♪ It ain’t always ♪

\h\h\h\h- Need access to my backyard again?

- This place is ridiculous.

It doesn’t even feel \hlike a real school.

It’s actually fun.

Thanks, Izzy.

\hLearning doesn’t have to be boring.

It all depends on the approach.

I can’t believe how fast \h\hthey redid this place.

It’s impressive.

\h\h\h\h\h\h- I could say the same thing about you.

Look how much progress you’ve \h\hmade in less than a year.

- Thanks.

\hThe doctors say I should be ready for laser therapy soon.

It’s supposed to help \h\hwith the scarring

and mobility issues too.

- That’s great news.

From what I’ve read, \h\hlaser therapy works

on old scars too.

Ever thought about it \h\h\h\h\hfor yourself?

- I have not.

- I can send you the studies.

- Well...

how about I show you \h\h\hthe cafeteria?

- Sorry to bother you.

How was your visit with Izzy?

- She’s doing great.

Something tells me \hshe’s not the one

I should be worried about \h\h\h\h\h\h\hright now.

- I think I finally found

the perfect person \h\h\hfor our team.

He went to Stanford Undergrad, \h\h\hNorthwestern Grad School.

Field of study is \hpsychobiology,

\h\hwhich I thought was a fun, new perspective for our group.

And he’s in the lounge \h\h\h\h\h\hright now.

\h- It sounds great, but why are you doing

your nervous pacing thing?

It’s Simon Wylton.

And I’m worried about hiring \hhim because he’s a Wylton,

\h\h\hand I’m worried about not hiring him

because he’s a Wylton.

What part of him \h\hbeing a Wylton

\hactually factored into your decision?

- None.

\h\h\hThe truth is I saw his last name was Wylton.

\hI didn’t realize till our interview

that it was that Wylton.

\h\h\h\h- Rizwan, you know what this department needs.

\h\h\h\h\h\hIf you think he’s the right person for the job,

\h\h\hlet’s give him a chance to prove it.

If there’s any blowback, \h\h\h\hI can handle it.

Let’s not keep him waiting.

Simon, good to see you.

It’s been too long.

\h\h\h\h\h\h- Alec-- um, Professor Mercer,

it’s great to see you too.

I’m kind of geeked out \h\h\h\h\h\hto be here.

This was always the most fun \h\h\h\h\h\h\hspot on campus.

Well, I’ve got \hsome good news.

You’re hired--starting now.

- What? Really?

\h- We do things a little differently around here.

\h\h\h\hYou join the team for a week trial period,

learn the ropes, \hget acclimated.

And then after a week, \h\h\h\hwe’ll evaluate.

- That sounds amazing.

I, um--I won’t let you down.

Me? Uh, OK.

Uh, hi.

Um, Professor Mercer’s phone.

Right, and is that Marisa \h\h\hwith one S or two?

- - I--I got it. - \h\h\h\h\h- Oh.

- - Thanks. - \h- Sure.

- Hey.

- \hHey. - Hey.

The victim is Serena Barton \h\h\h\h\h\hfrom Channel 4.

I guess that explains \h\h\h\h\hall of this.

\h\h\h\h\h\h\h\h- Yep. It’s not every day that

the face of the 11:00 news \h\h\h\his the 11:00 news.

- What happened?

Looks like a knock-knock \h\h\hburglary gone wrong.

\h\hBut there were two similar murders

in two different states \h\h\h\h\h\hlast week.

- \h\h\h\h\hThis makes three. - You think they’re linked?

- I’m not big on coincidences,

\h\h\h\hespecially when they cross state lines.

It’s been a nightmare \h\h\hat the Bureau.

\h\h\h\hThey bumped our SAC to the head of Intelligence

but haven’t found us \h\h\hnew leadership.

With no one steering the ship,

\h\h\h\h\h\hI could use all the help I can get.

Any guesses who your \hnew boss is gonna be?

Knowing the FBI, \hit’ll probably be

the safest, most boring choice.

- Wow.

Detective Brown, \hmeet Alec Mercer.

He’s consulting on the case.

- \h\h\h\h- Hi. - Eric Dent.

\h\h\h\h\hWorks with Secure View Sentries.

They provide security for a lot \h\hof the houses in the area.

He was first on scene \h\hafter the murder.

Yeah, one of our clients \hheard gunshots next door,

hit the panic button.

I followed protocol.

\h\hI didn’t see anyone suspicious in the area,

\h\hbut the front door to this house was ajar.

That’s how I found the body.

Eric gave us backend access to Serena’s doorbell camera.

Forensics is analyzing it now.

\h\h- Thanks, Eric. I can walk you out.

- Yeah, sure.

We know if anything \h\h\hwas stolen yet?

A few of the drawers were rummaged through.

Brown talk to Serena’s husband.

He said the only items missing

were an amethyst geode

and a high-end pair \h\h\hof sneakers.

- A rock and some sneakers?

- Mm-hmm.

\h- It looks like our robber wasn’t very good at robbing.

Which leads me \hto believe that

the robbery was just a pretext.

\h\h\h\h\hThe whole point of a knock-knock burglary

is to make sure that \hsomeone is not home

so that you can clean house \h\hwithout confrontation.

In all three cases,

\h\h\h\hour killer was knocking to make sure someone was home.

- So he could kill them?

\h\h\h\h- Exactly. And not only that.

The killer smashed her veneers, \h\h\h\hsame as the other two.

\h\h\h\h\h\h\h- You think this is a serial killer?

\h\h\h\h- It has all the earmarks of one.

- Except one.

Serial killers target people \hthey think won’t be missed

because they have one goal, \h\h\h\hto keep on killing.

\h\hWhy would a serial killer target a high-profile victim?

- Everything OK? \h\hCan I help--

- Wh

- Who’s going

- Who’s going to talk

Who’s going to talk \h\hto the rep

Who’s going to talk \h\hto the reporters?

I guess I’m going \hto have to do it.

- - Here she comes. - \h\h- Excuse me.

- We are still assessing

whether this murder is related \h\h\hto the previous murders.

\h\h\h\h- Are you saying this is a serial killer?

- We don’t know that yet.

\h\h\h- What about the people at home?

Should we be scared?

We should take the same precautions we always do.

Is it definitely \h\ha city worker?

Who is he targeting?

I understand that \h\hyou’re worried.

There are a lot of unknowns.

But this is my community too,

and you can trust me \h\h\hwhen I say that

\h\h\h\h\h\h\h\hwe are taking every single measure possible

\h\hto find this individual and bring them to justice.

\h- Now exhale slowly to the count of five.

Now repeat.

\h\h\hMeditative breathing not only soothes the soul,

\h\hbut helps with critical thinking and productivity.

And one final round.

Great job, tribe.

Professor Myers, I just have to say,

I love our morning meditation.

Before this, I could barely sit still for five seconds.

Me neither.

Turns out I just had to find \h\h\h\h\hthe right practice.

- - And the right place. - \h\h\h\h\h\h\h\h\h- Mm.

The last few months have been incredible,

but I’m ready to take on \hmore responsibilities.

\h\hIs there anything that I can take off your plate?

- You’re a worker bee.

And that’s commendable, but trust the process.

Let me set the pace.

- Of course. You’re right.

- - Hey, Phoebe. - \h\h- Hey, Ava.

I hope this doesn’t \h\h\h\hsound weird,

\h\h\h\hbut I overheard your convo with Rachel.

And I know she doesn’t really \h\hencourage collaboration,

but I was wondering if

you could look at a paper \h\h\h\hthat I’m writing.

\h\h- Of course. I’d love to help.

- Yeah? Cool.

- Send it my way. I’ll take a look.

- OK.

- A serial killer?

- \h\h\hFor real? - I don’t know.

Real serial killers--

the ones sensationalized \hby the media, anyway--

they’re extremely rare \h\h\h\h\h\h\hnowadays.

There’s cameras everywhere,

\h\h\hand it’s hard not to get caught.

Their whole goal is not to get caught.

\h\h- But this guy goes to houses with cameras.

I mean, why take that risk?

- - Hey. - \h- Hi.

- Hey.

Saw you on the news earlier.

\h\h\h\h\h\h\hGotta say, you did your thing, sis.

You were great.

- Well, it didn’t feel great.

\hPublic speaking is really not my thing.

- You could have fooled us.

- I might have eased the crowd,

but people need answers.

\h\h\hThey want to know that the next knock on their door

isn’t gonna be a serial killer, \h\h\hand I can’t promise that.

- - I’m gonna check in with Brown. - \h\h\h\h\h\h\h\h

See if they found anything else \h\h\h\h\h\h\h\h\hin forensics.

- I--I know.

- Damn.

\h\hRemind me to never send you a text again.

\h\h\h\h\h\h\h\h- Izzy sent some articles.

Uh, she’s thinking \h\h\habout getting

the scar revision procedures.

\h\h\h\h\h\hShe thought I might be interested.

- Are you?

With what time?

If I’m not here,

I’m doing my research \h\h\h\h\hat Wylton,

and I can’t take a year off.

- Mm-hmm.

Is that what you tell Izzy?

Look, with Izzy, \h\hit’s different.

\h\h\hShe’s got the rest of her life ahead of her

and the chance to change it.

\h\hShe can afford to take a year off.

\h\hThe risks are low. The benefits are high.

With me, on the other hand--

- I talked to Brown.

\h\h\h\h\h\h\hHe thinks they caught the killer.

- His name is Carlos Perez.

He’s a construction worker,

builds sewer lines \h\h\hfor the city.

Worked in Serena Barton’s \h\h\h\h\h\hneighborhood.

- Giving him easy access.

I got an eyewitness that said \hshe saw a construction worker

\h\h\hrun out of Serena’s right after the gunshots.

She ID’d Perez this morning.

- - You use a lineup? - \h\h\h- Of course.

That neighborhood is busy \h\h\h\hwith construction.

There could have been at least \h25 men with the same outfit.

Yeah, but this one did five years for burglary.

And check his socials.

\h\h\h\hHe has some sort of resentment toward the rich.

- OK.

\h\h\hA few tweets hating on the rich.

\h\h\h\h\h\hDo you have any physical evidence, DNA or--

We’re still combing \hthrough everything.

\h\hBut in my experience, if it walks like a duck--

It doesn’t necessarily \h\h\h\h\hmake it a duck.

It could be negativity bias, \h\h\h\h\hwhich causes people

\h\hto judge their present situations

\hbased on their past negative experiences.

- Mm.

You saying I’m bad at my job?

\h\h\h- I--

You were right to call in Perez,

but according to this,

he hasn’t committed a crime \h\h\h\h\hin over 10 years.

- That we know of.

Look, I’ve seen this \h\ha million times.

\h\h\h\h\h\h\hCriminals, they fall off the wagon,

and they go back to the life.

\h\h\h\h\h\h- Still, to jump from some burglaries in 2010

to multiple homicides now \h\h\h\h\his a huge leap.

\h\h\h\h- I told you, I have an eyewitness.

This eyewitness, how sure is she about what she saw?

- 100%.

She didn’t second-guess \h\h\h\h\hherself once.

- You mind if we talk to Perez?

- He’s in holding.

Be right back.

- 100% sure.

- That’s exactly the problem.

- What are you thinking?

- I’ll tell you what.

How about you talk to Carlos?

- What you gonna do?

- An experiment.

I did a lot of awful things \h\h\h\h\h\hI’m not proud of.

And my world got really small.

But I’m 11 years \hclean and sober

ever since I went in.

- What was your method?

B&E, smash and grab?

Reseller?

- I was high out of my mind.

There wasn’t a system.

I was just surviving, you know?

- Are these your socials?

- OK, that was over a year ago.

\h\hI don’t even use that account anymore.

Trust me, if you had my job,

\h\h\h\hyou’d want to blow off some steam once in a while too.

But I had nothing to do \h\h\hwith that murder.

\h\h\h\h\h\h- Where were you on Wednesday afternoon then?

\h\h\h\h\h\h\h\h- Across town, eating lunch in Nottoway Park.

Look, I’m no saint.

I did a lot of messed up stuff \h\h\h\h\h\h\hwhen I was using.

But I didn’t do this.

- Quick pop quiz.

\hOut of all the 12 cards, how many spades are there?

- - Three. - Three.

- Are you sure about that?

Look closely.

There are five in total.

1, 2, 3, 4, 5.

\h\hWe don’t count the two red spades,

only the three black.

\h\h\h\h\hOur mind sees what it expects to see.

\h\h\h\h- Hey, I saw you hitting on my girlfriend.

- \h\h\h\h\h\h\hDon’t lie. - I would never do that.

- Please just chill out! - \h\h\h\h\h\h\h- No way!

I want you to admit it.

I want you to admit it \h\h\h\h\h\hright now,

or you’re gonna regret it.

- Well--hey, someone stop him.

He took my phone!

So now that I got your hearts \h\h\h\h\hracing a little bit--

the crime you just saw,

\h\h\h\hI’m gonna ask you some questions about it.

\h\h\h\h\h\hOK, get ready to lock in your answers.

\hWhat type of bag was Rizwan holding?

\h\h\h\h\h\hWas it a backpack, a duffel bag, or a laptop bag?

Go.

\hRemember the guy that was yelling at Rizwan?

What color was his shirt?

Was it yellow, green, or blue?

OK, last one.

What kind of hat was \hthe thief wearing?

This one’s open-ended.

Now, from zero to 100%,

how sure are you of your answers?

Wow, so some of you \h\hwere 100% sure.

Thanks to a hidden camera,

\h\h\h\h\hwe can see what it actually was.

It was a laptop bag, \h\h\ha green shirt,

and that last question was \h\h\h\h\h\h\ha trick one.

He wasn’t wearing a hat.

So let’s see the results.

\h\h\hOnly 15% of you got all three answers right.

\h\h\h\h\hUnder stress, people are often wrong.

\h\h\h\h\h\h\h\hEven so, some are quick to judge,

and they will say that \h\hthey are 100% sure.

\hAnd someone who is 100% sure can only be sure of one thing,

that they are overconfident.

\hStress can affect how our short-term memories

\hare encoded into our long-term ones.

\h\h\hAlmost moments after a stressful event happens,

we start forgetting.

That’s why witness stress

leads to less accurate \heyewitness accounts.

I know you don’t want \h\h\h\h\hto hear this,

\h\hbut there is not enough evidence to convict Carlos.

- There is now.

Some new evidence \hcame in today.

Carlos said he wasn’t \hin the neighborhood

\h\h\h\h\h\hthe day of Serena Barton’s murder.

- Right.

- Eyewitnesses make mistakes,

but cameras don’t.

- OK

- OK, I was

\h\h\h\h\h- OK, I was in the n

\h\h\h\h\h- OK, I was in the neighborhoo

\h\h\h\h\h- OK, I was in the neighborhood,

\h\h\h\h\hbut I swear I didn’t kill anyone.

\h\h\h\h\h\h\h\h\h- Carlos, I told my friend Alec here

that I’m inclined \hto believe you,

but we are the only ones \h\h\h\h\h\hon your side.

If you don’t tell us the truth,

you could be convicted \h\h\hfor four murders.

- OK. OK, I lied.

But I was there to see a woman.

Her husband’s a cop.

If he knew, he’d kill me.

- What’s her name?

- Bree Garland.

We met about a year ago

\h\hat a bar called the Bronze Rabbit.

I knew she was married,

\h\h\h\h\hbut she said she was over with him,

that it wasn’t a real marriage, \hyou know, that kind of thing.

- You still seeing each other?

- On and off.

After a few months, \hshe broke it off.

But then a--a few weeks later, \h\h\h\h\h\h\h\hshe called me.

The last time we hooked up was

the day the newscaster \h\h\h\h\h\hwas killed.

\h\h\h\h\h\h\hAfter that, she called it off again.

- It’s called limerence.

\h\h\hIt can seem like love, but it’s more like obsession.

People can get a high from it.

\h\h\hThe problem is, when limerence wanes,

so does their interest.

If you’re telling us \h\h\h\h\h\hthe truth,

Bree could alibi you, right?

Please, if her husband finds out, he’ll kill me.

I’d rather be in prison.

\h\h\h- So we talk to her where we won’t find him.

- It’s a marriage in name only.

I’m leaving him.

- Why do I have the feeling

you’ve said that line before?

Carlos Perez.

- Oh.

That’s what this is about.

- He says that he was with you

\h\h\h\h\h\h\h\h\h\hthe day Serena Barton was murdered.

- Are you his lawyer?

- I’m kind of lawyer-adjacent.

- If I alibi him in court,

my husband will kill me, \h\h\h\h\h\h\h\hfor real.

- Mm.

You could sign an affidavit \h\h\h\h\h\h\h\hin private.

- I’ll think about it.

When people have trouble \h\h\h\h\hmaking decisions,

\h\h\hthe default position is do nothing, rather than act.

\h\h\h\h\h\h\hBut in this case, inaction is a very real action.

Carlos will go to prison

for four murders he didn’t commit

for the rest of his life.

\hThe real killer will keep on killing people.

Can you live with that?

- Hey, Mom.

Yeah, I just got off.

Yeah, I know, I know.

Dentist appointment \htomorrow morning.

Yeah, the one by the old \h\hkarate studio, right?

Don’t worry.

I did not forget.

OK, love you.

- Scott? Scott!

Honey, please answer me.

Oh, gosh. Scott, please.

You’re scaring me!

- I appreciate the ride, Simon,

but you don’t have to come \h\h\h\hto the crime scene.

- - No, I--I want to. - \h\h- You’re sure?

- I might be able to help.

I did my, uh--my thesis

on the, uh, psychobiology \h\h\h\h\hof psychopaths.

\h\h\h\h\h\h\hI’ve never seen a serial killer IRL, though.

- IRL. I hope you never do.

- Hey, you brought Simon.

Isn’t he new?

- He wants to help.

- Well, the CSI techs are

\h\hstill working the crime scene.

Ballistics match the other murders

and the teeth-kicking ritual.

\h\h\h- One of the common brain abnormalities in serial killers

\h\h\his a reduction in size and activity,

the prefrontal cortex.

Causes them to be more \h\hobsessive-compulsive.

- Er, exactly.

\h\h\h\h\hYeah, they, uh, they live for a pattern.

\hShooting a blue-collar kid in the middle of the street is...

\h It’s off pattern

\hif you’ve been shooting the rich

on their front doorsteps.

So, in my opinion...

I’m sorry.

\h- That’s a normal biochemic reaction

to seeing a murder victim \h\h\h\h\h\h\h\hup close.

He has a good point, though.

Serial killers don’t change \h\h\h\h\h\h\h\h\htheir MO.

The MO is the point.

So you’re still not convinced \h\h\h\h\hit’s a serial killer?

\h\h\h- At least not the traditional kind.

There’s a reason he’s choosing \h\hthe victims he’s choosing.

\h\h\h\h\h\hWe just need to figure out what it is.

- I was just emailing you.

Your paper is great.

- - Really? - Really.

\h\h\h\h\hYou have a lot of interesting findings.

- OK, good. Yeah.

I have been working on it \h\h\hfor almost a year.

Just--uh, just a few small \h\hcomments and one thought.

\h\hThe title doesn’t really do it justice.

- What?

\h\h\h\h\h\h\hYou don’t like "Improving Idiosyncratic Fit

Across a Multitude \hof Chat Clients"?

- Maybe something more fun.

\hAI’s role is to help us find the perfect product,

so maybe, um,

a play on finding the perfect fit.

\h\h\h\hUm, how about "The Glass Slipper"?

- Oh.

Yes, I love that.

\h\h\h\hUh, hey, chatbot, find me my glass slipper.

- Yes, that’s it. \hThat’s the one.

- That’s so good.

♪ I’m always lurking \h\h\h\hwith people ♪

♪ Looking for a... ♪

- - Hey. - Hey.

Oh, I’m starving.

\h\h\h\hWhat in the "Magic: The Gathering" is going on?

I’m trying to find a pattern \h\h\h\h\h\hamong our victims.

\h\hThis shade of blue stimulates creativity,

and the cards are a way \h\hof tricking my mind

into finding connections,

like our brain does with playing cards,

like suits or numbers.

- Or tarot arcana.

- OK.

That’s pretty clever, \hbut in my experience,

pattern finding is much easier \h\h\h\h\h\hon a full stomach.

\h\h- Nice.

\hSo I’ve been reading up on those laser treatments

that Izzy mentioned.

It seems legit.

You know, that new stuff \h\h\hthat they’re doing

is really exciting.

- Yeah.

Izzy seems really hopeful about it.

- I’m not talking about Izzy.

You remember when you tried \hto teach me how to swim?

I was seven, and the only thing \h\h\hI hated more than raisins

was the deep end of the pool.

And it terrified me, \h\hbut you showed me

that it wasn’t so scary \h\h\h\h\h\hand that--

- Ah.

I know what you’re getting at,

but it’s not the same thing.

So please, just leave it.

- Ugh!

Why?

They put cilantro on my fried rice.

- Cilantro city here too.

This is gonna taste \h\h\h\h\hlike soap.

- You can blame OR6A2 for that.

- OR-who?

It’s our cilantro-hating gene.

Wait a second.

- Mm-mm.

\h\h\hYou’re doing the whole "Beautiful Mind" thing again.

- It’s their genes.

Our killer’s signature was \hto smash their teeth in.

And it turns out nearly \h\hall of our victims

have had extensive dental work.

You think their bad teeth \h\his a genetic condition,

like our cilantro gene?

- Maybe.

- Amelogenesis imperfecta.

Amelogenesis \h\himperfecta.

It causes abnormal \h\henamel formation,

and it is hereditary.

\h- Our victims, I think they’re somehow related.

- OK

- OK, thanks,

- OK, thanks, Rizwan.

- OK, thanks, Rizwan. \h\h\h\hLet me k

- OK, thanks, Rizwan. \h\h\h\hLet me know.

\hSimon didn’t show up for work this morning.

\h- Is it too early for I told you so?

I’m not ready to give up \h\h\hon the kid just yet.

- Fine.

How about you were right?

All five victims were \h\h\h\h\hsiblings--

donor siblings, to be exact,

\h\h\h\hconceived at a donor clinic in DC,

\h\h\h\h\h\hwhich leads us to sperm donor number 3462.

- Number 3462 cleans up nicely.

- Steve Thomas.

\h\hApparently he invented something called Map Moves,

\h\h\h\h\h\h\hpaved the way for all the navigation apps

that we use today.

It still doesn’t answer \h\hthe central question.

Why would anyone want these siblings dead?

Maybe donor dad has some answers.

- Hi. Angelo Petrillo.

\h- I hear you’re Steve’s attorney.

How long have you known him?

Well, we go way back, \h\h\h\hYale Undergrad.

\h\h\h\hJust a couple of scrappy scholarship kids

trying to fit in.

But Steve was different.

He was a machine.

\h\hHe took twice the number of credits required in a semester.

Mm, sperm donations paid \h\h\hfor his meal plan.

- What happened to him?

Well, he never stopped \h\h\hbeing that machine.

\h\hHe worked seven days a week with only three hours of sleep.

Eventually, his lifestyle \h\h\h\hcaught up to him.

\hHe had a stroke and then another.

That’s when I got the call \h\h\h\h\hsaying he made me

executor of his estate.

Asked me to divide his fortune among his biological children.

\h\h\h\h\h\h- Giving you access to a secret list of donor kids,

\hthe same list that the killer is using to target his victims.

\h\h\h\h- Hey, legally, I’m not allowed access

to any of that information \h\h\h\huntil Steve passes.

Those records are sealed \h\h\h\h\h\h\huntil then.

- What about their inheritance? \h\h\h\h\h\hIs it substantial?

Yeah, like I said, I don’t \hknow how many kids he has,

but either way,

$50 million isn’t exactly \h\h\h\h\h\hchump change.

\h\h- No, it isn’t, but it’s definitely motive for murder.

What we’re dealing with here \h\h\his similar to a tontine.

- A ton-who?

- Back in World War I,

soldiers would pool \h\h\htheir money,

\hand the ones that survived the war would split the pot.

\hThe more deaths, the bigger the share for the survivors.

- OK, that’s bleak.

\h\h\hSteve unknowingly created a tontine amongst his children.

- They weren’t raised together,

so they were strangers \h\h\h\hto one another.

- You run the numbers.

\h$50 million split evenly among, say,

20 kids, that’s $2.5 million.

And with each murder, \hthe share increases.

Now, with five kids dead,

\hthe killer would get a million more dollars.

That’s a geometric \h\h\h\hprogression.

Each death becomes more valuable than the last.

\h\h- A huge incentive for someone wanting to win big.

It’s the donor clinic.

They’ve tracked down \hall the donor kids.

\h\h\h\h- One of them is probably the next victim.

- Not only that.

\h\h\hOne of them is probably the killer.

- Phoebe? Hey.

- I was in the neighborhood.

Thought I’d say hi.

- How’s Professor Myers?

She keeping you busy?

- Uh, yeah.

I mean, it’s super low-key,

\h\h\h\hbut it’s good for my stress levels.

We, uh, do daily meditations.

- Seriously?

\h\h\hYou once told me your definition of hell

was doing nothing \hfor 10 minutes.

- Hmm.

I’m working my way up \h\h\h\hto 3 minutes.

So it’s about the intention.

Are you OK?

- Uh, of course.

Then why did you mark this student’s name as incorrect?

Honestly,

I hired a new RA on a trial basis.

- OK.

He called in sick today, \h\h\h\h\h\hhis third day.

- Maybe he is sick.

Professor said he freaked out \h\h\h\h\h\hat the crime scene.

- Professor said that?

OK, not those exact words, \h\hbut today he’s a no-show.

I’m putting together profiles \h\hof the donor’s siblings.

- Donor siblings?

- It’s a new case we’re on.

\h\hAnd I’m grading last week’s papers

and prepping the professor’s lecture for tomorrow--alone.

- That’s a lot to do alone.

\h\h\h\hI met with dozens of qualified candidates.

I could have chosen \h\h\hanyone else.

I think I messed up, picked the wrong one.

- OK.

You must have chosen this guy \h\h\h\hfor a reason, right?

You weighed the pros and cons?

\h\h\h\h- Yes, I did everything you said.

Well, that’s the purpose \h\hof a trial week, right?

See if he’s a good fit for you, \hif you’re a good fit for him.

Even if the answer is no, \h\h\h\h\h\h\hthat’s OK.

\hMaybe you just need to trust the process.

It will be OK, Rizwan.

- Look at you all Zen.

The meditation is totally working.

As for your other problem, how about I grade the papers,

you work the case,

\h\h\hand we organize the lecture together?

- \h\h- Really? - Of course.

I’m on my lunch break.

That gives us an hour.

We’ve done far more in less.

- \h\h\h\h\h\h\h\h\h\h\h- Wait. - You’re saying someone is--

- Trying to kill me?

- And you think I did this?

- I was in the hospital.

I was at my kid’s \hsoccer practice.

- In Paris.

- Screw where I was!

You dragged us in here

\hand make us answer a million questions,

but what are you doing \h\h\h\hto protect us?

\h\h\h- Everyone, including this guy with an attitude,

has an alibi for at least \h\h\hone of the murders.

Which means they’re all potential targets, right?

- I’m going to notify Brown.

\h\hKeep them under police protection.

- What?

\h\h\h\h- It took us forever to get this list of siblings,

and that was with a warrant \h\h\h\hsigned by a judge.

\h\hHow did our killer get their hands on it?

Genetic testing.

Sites like Two DNA Chains \h\h\h\h\h\hhelp the FBI

\hfind killers through their living relatives.

You think our killer is using \h\h\h\h\h\hone of these sites

to track down their siblings?

Or they could have used \h\h\h\h\h\hall of them.

I mean, that’s what I would do.

The siblings were scattered \h\hthrough several sites,

but one person showed up \hrelated to all of them.

- Did you get a name?

- A username.

It’s pretty generic.

Ed33.

\h\h- You have to upload your DNA to these sites,

right, to get a match?

Which means all we have to do \h\h\h\h\h\his get a warrant,

\hand then we have our suspect’s DNA.

- Simon, you

- Simon, you’re here.

- Yeah.

Um, sorry about earlier.

I’m feeling a lot better \h\h\h\h\h\hnow, though.

- No worries.

\h\hThere, uh, anything you want to talk about?

- No, I’m good. \h\h\h\hThanks.

I just want to focus \h\h\h\hon the case.

Any news?

\h\h\h- We’ve been tasked with getting DNA samples

from all the donor siblings

\h\hwho aren’t on any of the genetic sites,

see if their DNA matches up \h\h\h\hwith our suspect’s.

So far, they’ve all consented.

Which is good and bad news, \h\h\h\h\h\h\h\h\h\h\hright?

I mean, if I were the killer,

I probably wouldn’t consent \h\h\h\h\h\hto a DNA swab.

\h\h\h\h\hI’m betting we don’t get a match.

\h\h\h\h\h\h\h- It just doesn’t track.

Only an heir to Steve’s fortune

would want their siblings \h\h\h\h\h\hdead, right?

\h\h\h\h\hSo it has to be one of the donor siblings we met.

What if we’re all getting \h\h\h\h\h\h\hso caught up

\h\hin the high-tech biology, we’re missing a simple fact?

Steve was once a young \h\hbiological machine

with sexual drives.

- You’re right.

Steve was a tech disruptor, \hsuper risk prone, right?

He could have brought that lack of caution

\h\h\h\hto his own sex life, fathered an illegitimate son.

- Or it was just the ’80s.

True.

I’ll call the professor.

You were asking \hfor more to do.

I’ve got the perfect \h\h\h\h\hassignment.

- - Really? - \h- Yeah.

\h\hI’ve been working on a grant proposal,

so I need you to proof it \h\h\hand suggest edits.

- I’d be happy to.

- Wonderful.

\h- It’s for a study in how AI can improve

the consumer experience,

\h\h\h\hparticularly with online shopping.

Take a look.

See for yourself.

The title’s pretty cute, right?

The Glass Slipper is a nice touch.

- It’s great.

\h\h\h\h- Detective, I got your message.

You said there was a new development?

\h\h- I was working protection detail for one of the siblings,

Jack Polanski.

\h\h\hI parked here a few houses down,

and that’s when I saw him.

- Are you sure it was him?

He was wearing the vest \h\h\h\h\hand everything.

I mean, he walked up \h\h\h\hto the house,

was about to ring the doorbell, \h\h\h\h\hand then he stopped.

Something spooked him.

- - You get a look at his face? - \h\h\h\h\h\h- I couldn’t see.

By the time I got close enough,

\h\hthe guy jumped into his service truck and took off.

\h\h\hDon’t worry. I got-- I got a photo of his plate.

We’re running the plates now, \h\hbut it’ll take a second.

- Some kind of technician?

Can’t quite make out \h\h\h\h\hthe initials.

That damaged back bumper \h\h\h\h\h\hlooks familiar.

It was at Serena’s house,

\h\h\h\h\hthe--the SVS patrol officer we met.

- \h\h\h\h\h- Eric Dent. - You think it was him?

- Quick way to find out.

- Hey, Alec, what’s up?

\h\h- Can you look up an Eric Dent, DEN-T,

from Secure View Sentries?

Try and find a picture \h\h\h\h\hof him smiling.

- I got you.

Hmm.

\hHe doesn’t smile in any of his pics.

Let me try his work profile.

Damn.

I see why he’s so angry.

Those teeth.

It’s the amelogenesis \h\h\h\h\h\himperfecta.

I’ll call you back.

\hEric may not be a donor sibling,

but he is a sibling.

And just as much an heir \h\h\h\h\h\has the others.

But if he made me, he’ll go \h\h\hunderground, disappear.

He’s come too far \h\h\hto bail now.

Something called goal gradient \h\h\h\h\h\h\h\h\hshows us that

when people get close \hto the finish line,

it’s nearly impossible \h\h\hfor them to stop.

\h\hIt’s irrational, but Eric’s invested.

He’s got to end this.

And if I’m right... \h\h\h\h\h\h

He’s got one more person \h\h\h\h\h\h\h\hto kill.

Security cameras \h\h\hare still on.

- I just tried Steve’s lawyer.

It went to voicemail.

Kylie did a deep dive on Eric.

His mother was a waitress.

She had one-night stand \h\h\h\h\h\hwith Steve

decades ago.

She died last year--cancer.

Eric’s grief could be fueling his resentment.

- It’s not about money anymore.

- We need to protect Steve.

Alec, stay here.

SWAT should be arriving soon.

If you see anything, call me.

Don’t try to Jedi mind-trick \h\h\h\h\h\h\h\h\h\hthis guy.

Let’s check the house.

Clear.

\h\h\h\h\h\hWe’re just checking to make sure everything is OK.

- Power went out.

Mr. Thomas’s machines.

- \hWhat happened? - We’re not sure.

Why didn’t you answer the door?

- I had my headphones on.

\h\hHe doesn’t get too many visitors.

Battery backup won’t last \h\h\hmore than an hour.

We need to get him \h\h\hto a hospital.

- \h\h\h\hIt’s safer there. - I’ll call an ambulance.

Hopefully it gets here \h\h\hbefore Eric does.

He probably shorted \h\h\h\h\hthe power.

Chances are he’s already here.

- It’s over, Eric.

You’re too late.

The FBI is already inside.

Wait, wait.

- Like you care?

You don’t know me.

- I do know you.

\h\h\h\hI know that your mother struggled to take care of you,

but she did the best she could.

- My mother?

My mom would be here right now \h\h\h\h\hif she had the money,

\h\h\hall the money that he could have given her!

- She would.

\h\h\h\h\hIt’s not fair what you went through.

I’m guessing she told you about \hyour father before she died.

- I went to him.

I told him who I was.

He said he’d take care of me, \h\h\h\h\h\hjust like he was

\htaking care of the rest of the test tube babies,

as if we were the same.

It’s not right!

- It’s not right.

That’s when you looked them up, \h\h\h\h\h\h\h\h\h\hand you saw

\hhow much better they were living.

- It hurt you. - He owes me!

\h\h\h\hThe only thing I wanted from that man is what I’m due!

- I understand, Eric,

\h\h\h\h\h\h\hbut after the first few murders,

you knew you weren’t \hgetting that money.

But you couldn’t stop.

You resented them, and you hated him.

But you’re not just your father’s son.

You’re your mother’s too.

You were there for her.

You put her life before your own.

Now the question is, who are you gonna be?

\h\h\h\hThe person who lives in the shadow of their father

or the person your mother \h\h\h\h\hknew and loved?

\h\h\h\hAnd will you live long enough to prove it?

\h\h\h\h- Eric Dent, you’re under arrest.

[e

[elevator be

- Hey, Kylie, what’s up?

Now, I probably shouldn’t \h\h\hbe telling you this,

but I can’t keep it to myself.

Guess who is being tapped to be \hthe head of your department.

I hope it’s not Ned \h\h\h\hin Narcotics.

- No.

It’s you.

- How do--how do you know that?

- Uh, let’s just say...

\h\h\h\hupgrading all the FBI’s computers to a new email system

has its perks.

You’re the new boss, Boss.

Honestly, nobody deserves it \h\h\h\h\h\h\hmore than you.

- Come in.

- Uh, you’re busy.

I’ll come back.

No, no, no, no, no, \h\h\h\h\hit’s fine.

People say that noise is bad,

but studies have found that \h\h\h\hnoise on this level

increases alertness \h\h\hto the brain

and boosts performance,

which is why people write \h\h\h\hin coffee shops.

\h\h\h- Or it’s because the caffeine stimulates

\h\h\h\hdopamine release, which improves motivation

\h\h\hand increases divergent thinking.

- That’s another influence.

But you didn’t come here \h\hto talk about coffee.

- No.

Um, today’s the last day \hof my seven-day trial.

Before you make any decision, \hI just wanted to be honest.

The other morning when I said \h\h\h\h\h\hthat I was sick,

I wasn’t.

I lied.

- The crime scene.

- It was a lot.

\h\h\h\h\hAnd I wasn’t sure I’d be able to do this job,

let alone do it right.

- Crime scenes are upsetting.

\h\h\hI’d be more worried if it didn’t bother you,

\h\h\h\h\hconsidering your family’s history

and your brother’s accident.

- It wasn’t about that.

Look, you and I both know \h\h\h\h\h\hwhat it’s like

\h\hto have the worst thing that’s ever happened to us

replayed over and over again \h\h\h\hon the evening news.

\h- OK, maybe it was a little about that.

But still, I was dishonest.

I didn’t show up for you.

I left Rizwan in the lurch.

It was wrong.

I guess Detective Brown \h\hisn’t the only one

with a negativity bias.

- What do you mean?

\h\h\h\h\h\h- You’re so worried about the things you did wrong

that you’re forgetting about all the things you did right.

You pulled off your performance \h\h\h\h\hfor that experiment.

\h\h\hYou brought valuable insight to the crime scene.

And best of all,

you helped us track down \h\h\h\h\h\h\hEric Dent.

\hSimon, that was your first week.

And I know you can do the job, \h\h\h\h\hbut the question is,

do you want to?

- I do.

Very much.

I swear.

- Well, then, young one...

welcome to the team.

- ♪ There are no answers ♪

♪ There are only questions ♪

I was talking to Simon \h\habout negativity bias

when I realized I was guilty \h\h\h\h\hof the same thing.

\h\h\hI was so scared of reliving my past,

being back in that hospital,

that I wasn’t giving myself a fair shot at the future.

You were right.

\h\h\h\h\hI’m not too busy to consider laser therapy.

\h\h\h\h\h\hI was just lost in my own negativity bias.

- But for good reason.

\h\hI mean, it’s not like being in the hospital was

a walk in the park.

\h\h\h\h\hThose surgeries, they were hard and painful.

So call it bias if you want, \h\h\h\h\h\h\h\hbut I get it.

- Still, I know better now.

- You do.

\h\h\hLook, if you want to get the treatments, I support you.

And if you don’t, that’s cool too.

You know I got your back \h\h\h\h\hno matter what.

I just don’t want you \hto miss out on life

because of fear.

And you would want \hthe same for me.

- In a heartbeat.

- You order something else?

- Guess who I invited over.

- Hey.

\h\h- Heard there was an order for an extra side of cilantro.

\hI’m just kidding. I brought dessert.

- Thank you. Come on in.

- You must be the famous Izzy.

I’ve heard so much about you.

- Same.

\h\h\h\hIt’s so good to finally meet you.

I thought Izzy could come around for dinner

\hto help me weigh the pros and cons of the treatment.

\h\h\h\h- Now, that’s what I like to hear.

I’m very lucky to have \h\hthis one as a sister.

- I know.

Now let’s eat.

- All right.