Russ, only a boy, kills two lawmen he thought were outlaws. He flees. Crazy Caloon escapes from Yuma prison. He tries to kill Russ. They join a gang of bandits. Beautiful Samantha and her father have a ranch on the edge of bandit land. Russ becomes her secret protector. In a battle to save Samantha, Caloon and Russ fight the band of outlaws.