Rocky Cameron (Bob Livingston) is the man behind the Lone Rider's black mask. Together with his right hand man Fuzzy, he investigates a farm where several prospectors have recently disappeared. The duo discovers that the farm is a death trap engineered to fleece and dispatch unsuspecting real estate prospectors who are eager to make a killing off the land. The Lone Rider rescues millionaire Ben Gowdey and uses Gowdey's cash as bait, risking his own life to catch the killers.