Rebel in Town (1956)

ExConfederate Bedloe Mason and his four sons ride into a small Western town with robbery in mind Hearing a suspicious click Wes Mason whirls and shoots dead a boy playing with a cap pistol The Mason clan then flees but Gray Mason feeling remorse decides to return to the town He winds up at the home of John and Nora Willoughby who unknown to him are parents of the dead boy Nora recognizes him as one of the Confederates but keeps quiet wishing to avoid more violence However when John learns of Grays true identity he determines to avenge his sons death