Harkness controls Boulder Pass and his men are overcharging the ranches for its usage. When Tom Cameron steps in to rob the tollgate keepers and return the money to the ranchers, he gets caught.

A singing cowboy and his sidekick rescue miners from a bad deal.

A man is framed for being a spy. After he is released, he sets out to find who the real spies are.

The beautiful owner of a silver mine in Mexico asks an employee for help when bandits keep robbing her shipments.

The gang is sent to the Wilton Reform School after they are unjustly convicted of stealing a truck. Bill Collins, brother of co-leader Danny, becomes involved in a killing and, while also innocent, is convicted and sentenced to death. Through a series of events, Muggs, Glimpy, Danny and the rest of the gang, learn that Knobby, a henchman of Luke Manning, knows something about the murder.

A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.