1864, Sand Creek, Co. When an army detail massacres men, women and children of a Cheyenne village a disgusted soldier called Harmonica deserts his post, befriends and lives with the Cheyenne, joining their fight as the army raids continue.

An Indian village is attacked by the American army. The Indians are cruelly killed. One of the soldiers called Harmonika is disgusted by the murders of the innocent women and children. He decides to leave the army. He goes to live with the Indians and falls in love with an Indian woman. He becomes a friend with Harter Felsen, one of the bravest Indians. He understands that they are not beasts and he respects them.—[email protected]