A former Union cavalry officer seeks to avenge his fallen brother-in-arms by hunting down the traitors who sold out the Union's gold shipment to the Confederates. He teams up with ex-Confederates to bring justice to the corrupt town of Rio Lobo, where the remaining traitor and his henchmen reign supreme.

Rio Lobo
A grizzled Civil War veteran embarks on a perilous quest to hunt down the two deserters responsible for his comrades' demise and a cherished friend's untimely death.