In 1877, the Cheyenne are persuaded to withdraw peacefully from their Wyoming hunting grounds to make way for white settlers. Army colonel Lund is put in charge of the resettlement. He is helped by surveyor Wagner, whose friendship with young Indian stalwarts Hunter and O'Brian is of great
assistance. Indian maiden Paget, betrothed to Hunter, develops a yen for Wagner; this threatens the success of the resettlement campaign. The resentful Cheyenne forswear their friendship with Wagner and launch an arrow with a white feather attached as a sign that they intend to do battle with the
whole cavalry troop. Wagner persuades his former friends to settle the matter in sin...