When a fellow lawman falls ill, Sam Burrack - better known as the Ranger - agrees to take the reins of the territory's infamous jail wagon. Driving straight across the territory the Ranger must keep tabs on a motley group of prisoners, including the younger brother of JC McLawry, leader of the dreaded Blue Star Tattoo Gang. McLawry's gang will stop at nothing to free one of their own. And riding among them is Lawrence Shaw, known as the fastest gun alive, whose isolated existence in the desert has affected his mind - but not his trigger finger.