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

As Devin's leg worsens, Sara faces a terrifying choice. Brigham Young makes Bridger an offer. Abish delivers a stark warning to the Shoshone.

Ignoring the danger, Isaac sets out to rescue Sara. Jacob's search for Abish comes to an end. Bridger celebrates before saying good-bye.