That night, Tobias finds something under his pillow: the tooth fairy came.
No, it was just Nita, the "causing trouble with your girlfriend" fairy. She wants Tobias to meet her outside the hotel at eleven.
Tobias zips down there, and Nita shows him the giant family trees that have tracked all the families that live in the city.
Nita's showing Tobias this to prove that his so-called genetic damage doesn't define him. It's all part of her test to see if she can trust him or not. She decides that she can.
Nita's tired of being "damaged" and "expendable," so she wants to change things.
Nita and Tobias decide to sneak out of the Bureau through a secret tunnel. Nita is packing some flair, and she pins the jazzy buttons to her vest and…
Oh wait, she's packing a flare, which she uses to light up the escape tunnel.
Nita and Tobias find a car and drive out into the wilderness, where Tobias sees a deer for the first time.
Nita takes Tobias to the edge of the fringe (no, Joshua Jackson isn't living out there).
The fringe is where all the genetically damaged live, as if they've been exiled to fenced-in ghettos.
Tobias meets Nita's friends/partners-in-crime Mary and Rafi, who tell Tobias that people move out to the fringe for "the freedom to be seen as a whole man instead of a damaged one" (23.134)—even though, to us, it seems that so many people get killed out there that they end up being seen as dead men instead of live ones.
On the drive back to the Bureau, Nita tells Tobias that she wants to reveal the truth, which is that the government isn't actually making everyone's lives better; it's making everything worse.
That night, Tobias decides to be honest with Tris and tell her what went down in the fringes.