The Lone Ranger and Tonto work to finalize the capture of the Cavendish gang, Tonto is sent to town to get the sheriff's help and encounters a problem with two deputy's.

Pete Madden, the leader of a dangerous rustlers' gang, has been finally arrested. Yet his men have a card up their sleeves, they have abducted a rancher's son and offer to exchange him for Madden. Lone Ranger and Tonto must figure a way to rescue the lad.