"Slim" Duane, a wandering cowboy, having being forced to exchange clothes with an escaped fugitive, draws suspicion upon himself for the murder of Sheriff Findlay. He escapes the posse, discovers a gang of rustlers hiding in the hills and they make him a captive. Meanwhile, another innocent man has been blamed for the killing and is about to be hanged. Slim's friend, "Course-Gold" Charlie and his girlfriend, Anne, ride to his rescue.