Suffering from a fatal brain disorder, Trevor makes the choice to allow himself to be overwritten as the team races to invent an experimental cure.
The Faction sets off nuclear blasts that destroy all of the Travelers’ archives, except the one in which a wounded David just happens to be trapped.
The team learns that Traveler 001 is still alive when the Faction tries to capture him. Doubts about their loved ones worsen for Kat, Jess and David.
Certain that his team erased his memory of the previous day, MacLaren retraces his steps in the case of a disturbed youth with a horrific future.
MacLaren, his team and their loved ones regroup at a safe house protected by the FBI, but doubts and betrayals may sabotage the rest of their mission.
