Jeff Niles, who is married under an alias to the daughter of a callous sheriff, is blackmailed by prison escapee Sam Slater for details of a bank in which Niles works because Niles as a boy unwittingly did a robbery with Slater.
The Lone Ranger saves Cleve Ritchie from henchmen of Dr. Payton who has planted Stella Watson in his home to care for his grandmother post stroke so Stella can get a map to an old Spanish treasure that Cleve has found to fund the town.
Ruthless McCarty and two fellow prisoners have escaped and are heading for Black Rock mine in which McCarty has hidden stolen gold coin but where old-timer Neeley is working a claim and has been injured in an accident that uncovered the loot.
A young man is released from prison fully intent on joining the "Carlos Marina" gang. The Lone Ranger encounters a man who had previously fought against the gang. They decide to join forces to combat this new threat to peace in the West.
Tonto gets caught up in a robbery conducted by the Hooded gang, who the Lone Ranger has been tracking for some time. The Ranger has a suspicion who is behind the gang, but he needs time to connect all the dots.