During the American civil war, the Union is at a point where it desperately needs gold to pay for the armies and to maintain its credit. Agent Bob Scott is sent to California to eliminate the bandit gangs that have been attacking the gold shipments being sent back east. He joins the gang of Butch McGraw and ingratiates himself with the leader. He falls for pretty young Molly Butler but puts his life in danger when he goes against some members of the gang who kidnap Molly from a stagecoach.