There's a shipment of gold coming on the east-bound train, and Snake Loughlin has a plan to get it. First he has to convince Mike Murphy, engineer of the west-bound train, to have his train sitting on the track waiting on the east-bound, causing a wreck. Snake convinces Murphy that he's holding Murphy's girl, Betty Caukins, forcing him to participate in the plot. Can the Lone Ranger find the girl and save the trains before it's too late?