US Marshal Jesse Cole sends deputy sheriff Mike McClure to infiltrate the hired guns harassing the homesteaders of Harmony. But a night of bloody carnage ends in failure with the marshal dead. Mike escapes but, trailed by the gunslingers, Mike assumes a new identity, working with Brandon Webb's Wild West Show. However, memories of that terrible night ensure his return to Harmony. He'll need all his gun skills to bring the guilty parties to justice.