Shea and Thomas cope with the aftermath of the river crossing, but there is little time to grieve and no shortage of challenges ahead. Elsa and Ennis share a romantic moment.

Shea helps Elsa cope with her loss. The group crosses another river and prepares to enter Indian territory. Thomas buys Noemi a gift.

Elsa makes an unlikely friend. The group faces a harrowing challenge from mother nature. The camp searches for one of their own.

Elsa makes a big decision. Shea faces doubts as winter looms.