A frightening encounter takes Sara’s party by surprise. A deeply wounded Jacob forms a posse to find Abish. Isaac reconnects with his past.
At a desolate outpost, Sara and her son Devin forge new connections while searching for a guide to help them navigate treacherous trails further west.
On deadline, the group’s search for Litvin leads them to an even bigger discovery. In the air, Paul has bizarre visions while maneuvering the Vulture.
In a series of flashbacks to 2008, secrets are uncovered about Rosa’s final day, Isobel’s mysterious blackouts and Alex and Michael’s relationship in high school.
