Returning to the scruffy town of Valentine, Texas, after many months of tracking wanted criminals, Cahill learns that there's been trouble at home as well. The local sheriff and deputy have been murdered by a masked gang of bandits. These outlaws robbed the bank and then disappeared into the hills. Deputizing his elder son, Cahill sets out to routinely track and capture the dangerous desperadoes. Instead, the gritty marshal finds himself up against...

Detective Harry Callahan is pitted against an unexpected lawbreaker: one who carries a badge. Sharpshooting rookie motorcycle cops have turned vigilante, rubbing out crooks the courts can't touch. Their real enemy is the system. Unfortunately for them, the system is what Harry is sworn to protect.