[Stiles has just admitted the truth about killing Donovan to Sheriff Stilinski]
Did you think that I wouldn't believe it was self-defense?
Stiles
What if it wasn't? What if I told you I wanted him dead?
I'd believe you. I also believe that wanting someone dead and murdering them are two very different things.
Stiles
Yeah, but what if a judge didn't think so?
Then to hell with the judge! Stiles, it was self-defense, and I would destroy every shred of evidence to protect you if I had to. I would burn the whole Sheriff's station to the ground.
[Scott is sitting next to Stiles on the floor while Stiles recovers from the kanima venom from Tracy's claws and groans when he realizes Theo purposely destroyed the message left in mercury by the Dread Doctors]
He knew what it meant, and I can't remember the words.
Stiles
[sighs] Damnatio Memoriae. It means the condemnation of memory. I think it also means that whatever the Dread Doctors created, whatever this last Chimera really is, it's not something new. It's something old. Really old.
So, they didn't create a new creature...
Stiles
[grimly] They resurrected one.
We need help. If Theo's got his own pack now, then we need ours. We have to get the others back.
Stiles
The others? You mean Kira, who's currently battling a homicidal fox spirit inside of her; Malia, who isn't even speaking to either one of us; Lydia, who's stuck in Eichen House; and Liam, who almost killed you?
[smiles] Also known as our best friends.
Stiles
[sighs] Okay. How?
[Stiles is working on fixing up his Jeep in the garage when Scott joins him after rejecting Liam's request to go with them to find Kira in Shiprock, New Mexico]
Stiles
So, what did he want?
Stiles
You gonna let him?
[sighs] Eventually... I guess.
Stiles
Okay, but shouldn't he be a little higher on your priority list right now? I mean, since he's the only other actual werewolf-- your only actual Beta.
You didn't see the way that he came at me. You didn't see the look in his eyes...
Stiles
Well, I've been with you on a full moon, so I've seen that look. [He sighs and closes the hood to the Jeep] You want to get the band back together, Scott? You don't leave out the drummer.
[Scott is reading an old book while he and Stiles drive to New Mexico in the Jeep]
Stiles
You find anything yet?
They're mostly the same stuff you already knew. "Damnatio memoriae was a Roman practice, a government decree to destroy the images of the damned. And they would scratch off their names from inscriptions, chisel their face off of statues... The Romans believed it was a punishment worse than death."
Stiles
...Being forgotten.
Listen to this-- "Damnatio memoriae was later used on a serial killer in 1598 known as the Demon Tailor. He lured children into his shop in Paris, where he would kill them and boil the flesh off of their bones to eat. The courts believed the crimes so horrible, they ordered all the documents destroyed. To this day, no one knows his real name."
Stiles
[sighs] So, the Dread Doctors resurrected a killer who was so bad that he had to literally be erased from history.
A killer that became a werewolf.
Stiles
Which probably made him a better killer. Great.
Stiles
There was a pin. There was one little metal pin attached to the scaffolding. He was trying to pull me down.
[about Donovan] He was trying to kill you.
Stiles
Yes. And then I pulled the pin, and all these metal braces came down... And one of them just, just went right through him.
[sadly] Why didn't you think you could tell me?
Stiles
It was just the way you were looking at me that night. You know, you were standing there with a wrench in your hand, and you're looking at me like I just bashed you in the head with it. You know, like I'd broken your sacred rule and that's it. There's no going back.
Stiles
What?
I know what self-defense is.
[about Theo] I don't know why I believed him. I don't know why we didn't just keep talking that night. Five more minutes, and we would've figured out that there were two different stories. We would've filled a lot of blanks. We should've kept talking.
Stiles
He knew we wouldn't.
I didn't want it to happen like this.
Stiles
Like what?
I knew, sooner or later, one of us was going to get a little too much blood on our hands. [He laughs nervously] I half-thought it was gonna be Malia.
Stiles
[shrugs] Well, she definitely seems like she's working on it...
I just always thought that if it were to happen, then it should be me. I'm the one who's constantly putting you guys in danger, risking your lives for people you don't even know. It should've been me.
[Scott and Stiles have just found Deputy Strauss in the hallway of the high school with a huge shotgun in his hands]
Stiles
You don't think this is a bit much in terms of firepower for a high school?
SStrauss
Your dad's the one that issued us these things, and he wouldn't officially say why.
Did he say anything unofficially?
SStrauss
No, but everyone's got a theory.
Stiles
What's yours?
SStrauss
[nervously] I shouldn't be talking to you guys. Don't you have class?
Stiles
Come on, Strauss! What's your theory?
SStrauss
[hesitates] Do you guys believe in the supernatural?
[Stiles and Scott give each other alarmed looks]
[Deaton, Stiles, and Scott are at the animal clinic, where Deaton has just pulled out a stack of old Polaroid photos, all of which depict various supernatural creatures with bloody holes drilled into their heads]
What I'm about to show you isn't supposed to exist. This is the only surviving evidence of Dr. Valack's time as Chief Medical Officer at Eichen House. To call it human experimentation would be... charitable.
[Stiles' eyes widen at a photo of a woman who is painfully covering her ears with her hands]
A Banshee. She died screaming.
Stiles
So, he drilled holes into their heads? All of them?
That was the experimentation part. He did it to werewolves, Banshees, wendigos... any creature he could get his hands on. And Valack found that trephination would initially heighten their powers, but to levels that couldn't be contained.
So, he wants to make Lydia more powerful.
Stiles
Yeah, except she's going to end up like them.
Worse, actually. Lydia's abilities were already pretty exceptional to begin with. Putting a hole in her head will be like causing a leak in a nuclear reactor. She'll hear everything-- every death, every dying scream, all at once.
[worriedly] That's gonna kill her.
Not only that... Her own dying scream could be so powerful that it might kill everyone around her.
[Scott, Stiles, Kira, Malia, and Liam are gathered in the McCall House kitchen, where they're outlining their rescue plan]
Stiles
There's four steps-- we get into Eichen, we get into the closed unit, we get Lydia, and get out.
And, we have to do all of this while getting past orderlies, guards, electric door locks, and a mountain ash barrier.
[skeptically] You have a plan for all of that?
[Stiles holds up an RFID keycard]
Stiles
I stole this last night off an orderly... But, it's useless, 'cause they reset the codes each night.
Stiles
I'm getting to that.
The only way to get Lydia out of Eichen is to make that keycard work again.
How are you gonna do that?
Stiles
We're getting to that, okay? Just listen. Two weeks ago, there was a brownout, and the security system rebooted. During a reboot, all of the keycards revert back to a default code.
So, if we trigger a reboot, the card goes back to the default code, it works again!