In Wyoming, an outlaw gang named the Starrbreakers causes mayhem. After every robbery, the bandits vanish into the stronghold of the Big Horn Mountains through a gap known as the Hole in the Wall. The law authorities are powerless to hunt them down, so Special Agent Drew Henry is hired to infiltrate the gang in the guise of an escaped convict. Bullets will fly when he comes to town. When Henry takes on the Outlaw Queen, can he break the Starrbreakers' stranglehold?