Kid Colt is sent to Mexico by the Govenor to retrieve some papers that were stolen by El Lopo, Mexico's greatest bandit.; The Kid pretends that a head injury turned him bad in order to trick a bandit leader into revealing the hiding place for his loot before he captures the gang.; After Kid Colt stops a bandit from robbing a stagecoach he frames the Kid for another robbery in revenge and he must clear his name.; An outlaw tricks Kid Colt into giving himself up to ransack the area while the Kid is in prison. The Kid breaks lose and brings the outlaw to justice.; Blaine Colt refuses to wear a gun because he's such a good shot that he's afraid he might kill someone in a moment of rage. When his father is murdered he kills the murderer in a duel and becomes a fugitive from the law.