Framed for a stagecoach accident, John Bishop is jailed. Bob Leadly helps break him out and in return John heads for Sonora to look for Leadly's missing son. He finds him when he joins Monte Black's gang, a gang from which no member has ever escaped alive.
Somewhere in Sonora
John Bishop discovers a plot to rob a silver mine belonging to his girlfriend Mary's father and, to foil the evildoers, he joins them.
