After losing his horse in a bet, Pat Brennan (Randolph Scott) finds himself on a stagecoach with Willard (John Hubbard) and Doretta Mims (Maureen O'Sullivan). When a pack of outlaws takes over the stagecoach and finds out that Doretta is the heir to a copper fortune, a hostage situation develops, and it's up to Brennan to save the day.