An outlaw gang known as the Starrbreakers has been causing mayhem in the territory of Wyoming. After each robbery, the bandits quickly vanish into the stronghold of the Big Horn Mountains through a mysterious gap known as Hole-in-the-Wall. The usual law authorities have been rendered powerless to hunt the Starrbreakers down so Special Agent Drew Henry has been hired to infiltrate the gang in the guise of an escaped convict. Bullets are set to fly when Drew Henry comes to town. Can he take on the Outlaw Queen and break the Starrbreakers' stranglehold?