Gun salesman Christopher Colt arrives in Cottonwood, Arizona, ready to sell his new line of guns, but a young missionary gets on his case for helping contribute to the culture of violence in the west.
Escorting a prisoner across the desert, Chris is waylaid by the outlaw's cohorts. Now it's a fight for survival when he finds himself without a horse, food or water.
A wanted man Chris is after gets shot down in a saloon after he shoots another man. Three men then try to claim the reward for the criminal. Chris pretends to be the dead man's friend, but things get tense when someone in town recognizes him.
Chris captures the notorious outlaw The Comanche Kid in Granite Gap. The townspeople are bound and determined to hang him, but an elderly woman believes that the Kid is her long-long son.
A young man buys a gun from Chris. The only problem with that is he soon learns that the boy is out for retribution against the man who killed his father during a bank job.