Duval's sister (and Pritchard's daughter), Helen (guest star Amanda Detmer), is dating Wally (guest star Breckin Meyer), a parole officer with whom she was linked while they were both in high school. Pritchard's disdain for Wally hasn't changed since then, but Pritchard can't let his previous history with Wally be discovered by Helen. Much to the chagrin of Pritchard and Duval, they discover Wally is being coerced by a prisoner to carry out an elaborate prison break, and must team up with Wally to stop the prisoner from carrying out his grand plans. Meanwhile, Alexa speaks out to Mary about her distrust of Pritchard, and Otto mourns the anniversary of his parents' death.

Pritchard and Duval join forces to track down a serial killer, and Alexa and Connor try to procure key technology from Lookinglass. Meanwhile, the bond between Mary and Pritchard has grown stronger, but Otto goes to great lengths to make sure Mary never leaves him, and Gracie suspects there is more to Pritchard than what he has told her.