Stolen DiamondTrouble is waiting on the trail ahead as the Lone Ranger rides to Baker City. Just outside of town, he and Tonto find evidence of a shooting. In town a rancher, a banker, and a gambler sit at the bar and talk. They plan to bid on a valuable diamond, but the seler is found shot with the diamond missing. The sheriff investigates, but does he have the right man?
Fortunately the Lone Ranger is on hand to point out the flaws in the case. Can he make the sheriff believehim?
Just what happened to the missing diamond? The Lone Ranger takes off after the real killer and thief, but the sheriff locks up his main suspect. Now a posse is out looking for the Lone Ranger as he and Tonto sscour the prairie in search of the killer. Lone Ranger has a plan to smoke out the bad guy, but will he be able to before the sheriff catches up to him?