The Dutton family embarks westward through the last bastion of untamed America. James arrives in Texas, where he and his family prepare to make their way through The Great Plains in search of a new home and the promise of opportunity.

James butts heads with Shea and Thomas about an important decision. Tensions rise in camp when an accusation is made. Elsa begins a flirtation with a cowboy.

The group faces the harrowing task of crossing the river with their wagons and supplies. Thomas and Noemi grow closer.

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.

A misunderstanding leads to a battle with serious consequences.

James and Margaret face a heavy decision. Shea and Thomas take bold action to help one of their own.