MacLaren urges Yates to help him when a Traveler with a mission vital to humanity’s survival arrives in the body of a just-captured serial killer.
The Faction kidnaps Philip and a group of other historians, forcing MacLaren and the team to extract their location from a critically injured Hall.
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.