Furious at being pulled into a payroll robbery and murder, Bronco goes looking for the loot and the culprit as a posse chases him.

Bronco hires refugees from the fallen Maximillian empire, but has to contend with bandits who are convinced the mother and son know what happened to $5 million in missing gold.

Bronco keeps rival outlaw gangs from slaughtering each other so two young lovers can marry.

Bronco's infatuation with a lady gambler distracts him from his army assignment to locate a missing fortune and a renegade Union solder.