Judy and her grandpa run a trolley between a train depot and a ghost town in Nevada, near the California border. Three spies intent of tracking down an atomic missile gone astray arrive. When the trolley breaks down, Judy and Grandpa unwittingly install the engine from the nearby crashed missile.
Writer: Barry Shipman
Director: Charles Lamont
Director of Photography: Reggie Lanning
Story: Frank Gill Jr.