Western with Martin Sheen. A greenhorn fur trapper steals a prized white mustang from a Kiowa Indian warrior, who sets off in pursuit across the savage canyons to get the horse back. (1979)

Two men, an aging Native American and a ne'er-do-well trapper from North America, race to claim the stallion Eagle's Wing in antebellum Mexico, meeting marauded stagecoach travelers and garrisoned Mexicans along the way.