The legendary frontiersman Kit Carson and his two pals are attacked by Indians. They manage to escape unscatched and make their way to Fort Bridger, where Captain John "Frontier" Fremont hires Carson to guide a wagon train westward. The plot thickens when both Carson and Fremont fall in love with pretty Dolores Murphy, but all misunderstandings and rivalries are forgotten as the two heroes fight shoulder to shoulder against another Indian attack..