Outlaw Jeb Sims (Joe Patridge) and his brother, Johnny (Eric Matthews), rob a stagecoach and kill the sister of gunfighter Ben Lattimore (Harry Lauter). Hunting down the killers, Lattimore is shot by their mother. He recovers and pursues the brothers, finding them caught and en route to prison. The marshal escorting them convinces Ben to spare the Sims' lives and help bring them to justice. Unfortunately, the Sims' mother is also on board and armed, plotting to free her boys.