Badlands of Montana (1957)

"Lash for every crime he did not commit!"

Wanting to follow in his late father's footsteps, eager reformer Steve Brewster runs for mayor of a small Montana town but is forced to flee and join a gang of notorious outlaws after he's provoked into killing two corrupt officials in self-defense. Gang leader Hammer takes Steve in, and Steve falls for his daughter, Susan, but his loyalties are divided when he's appointed marshal of his hometown.