Cheyenne is driving a herd of horses across land he thought was open range. The owner, Martin Storm, roughs him up and steals them. He gets help from a local rancher who has been trying to rid the valley of this menace since he got there.

A bank robber that Cheyenne is bringing in, saves him when he's caught in a bear trap.

Cheyenne, appointed to the state senate, starts a campaign to preserve the buffalo.