In "The Long Riders" (October 25, 1960), Slim Sherman and Jess Harper, while rounding up mustangs for extra money, save from an Indian attack the life of Luke Gregg (Dan Duryea). Slim invites Luke to work temporarily at the ranch, but Jess believes something is awry when Luke mentions Slim's past association with a vigilante group in Adobe Wells, Kansas. Luke is tied to Ed McKeever (John Anderson), a gunman who has been targeting the former vigilantes one by one. McKeever and his gang try to ambush Slim, who comes to the aid of Sheriff Mort Corey, another former Adobe Wells vigilante shot and wounded by McKeever. Ultimately, McKeever shoots Luke to death as Luke warns Slim of danger.