 Gunfighter Billy Ringo (George Montgomery)decides to hang up his guns, buy a ranch and marry Arlene Reach (Helen Westcott.) His brother Matt (John Dehner), father of Chip (Tab Hunter), the nephew Ringo is trying to keep on the straight and narrow, with three other outlaws, Dixon (Douglas Kennedy),Kollaway (Jack Elam) and Hoke (Joe Haworth), frame Ringo into pulling a bank robbery with them. Pretending to side with them, after accidently killing Matt, Ringo informs Marshal Wyatt Earp (James Millican)of their plan to rob a Wells Fargo express wagon. A gunfight ensues at the robbery and the three outlaws are killed and Ike Clinton (William Bishop), the ringleader, is turned over to Marshal Earp by Ringo.