Ex-Confederate 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 Gray's true identity, he determines to avenge his son's death

A Korean War veteran must find his buddy's widow and children to keep a bizarre promise.

Four astronauts returning from man's first mission to Mars enter a time warp and crash on a 26th Century Earth devastated by atomic war. At first unaware where they are, but finding the atmosphere safe to breathe, they start exploring and find themselves in a divided future where disfigured mutants living like cavemen inhabit the surface, while the normals live comfortably below the surface but are dying as a race from lack of natural water, air and sunlight.