Bandit Gordon frees a group of prisoners, forcing them to join his gang or die. Arizona Colt, declining to do either, heads for Blackstone City where Gordon is planning a robbery. When one of Gordon's men murders saloon girl Dolores, Arizona offers to hunt down the killer for the price of five hundred Dollars and Dolores' sister, Jane

A master thief, just out of prison, concocts a risky final score that would net him over a million dollars.