The Lone Ranger is challenged by an imposter who dons a mask and poses as the Ranger in order to fool his victims.
Roy, Dale and Pat give a hand to an injured sheriff battling a gang headed by a notorious outlaw near the desert town of Dead Man's Hills.
A wealthy but ailing woman donates a large amount of money to build a clinic. However, the money is mistakenly given to a crook posing as an armed guard. Roy and Dale set out to capture the robber and return the money.
A clever safe cracker uses Pat's mail-order telescope to get the information he needs to commit his crimes.