Episode Title:
The Mall Car.
Episode Description:
Grace introduces Jesse and MT to her gang, the Apex: children who want to keep their numbers high in order to stay on the train, and consider Amelia the rightful Conductor and One-One a usurper. Their headquarters is the ransacked Mall Car. Grace takes Jesse under her wing and they visit the next car; Apex members take Alan to be "stabled", and MT stays in the Mall Car to look for him. Grace tells Jesse that they consider MT a "null": not a real person, because she doesn't have a number...
