A frightening encounter takes Sara's party by surprise. A deeply wounded Jacob forms a posse to find Abish. Isaac reconnects with his past.

Following a lead, Jacob joins a bounty hunter's search. Brigham Young rides into Fort Bridger. Sara, Devin and Isaac come face-to-face with evil.

Red Feather vows to fight, Jacob acts on his suspicions and Abish receives shocking news. En route to Crooks Springs, the elements intensify.