Grant MacLaren and his team find themselves in FBI custody with no means of escape, while a mysterious new traveler reveals secrets to his psychiatrist.

When the team meets Simon, a homeless man with a startling history, they’re led down a path that leads directly to the very first traveler.

In the season finale, the travelers must follow the rules of a madman in order to rescue their kidnapped loved ones and ensure the traveler program isn’t exposed to the world.

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.

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.