George Chesebro

Taylor's men are robbing incoming supply wagons to enable Taylor to sell goods at inflated prices. The Vigilantes led by Frank Jackson are doing the same so the ranchers won't starve. Marshals Lash and Fuzzy arrive to try and find the real culprits.

Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a scientist who wants to establish an archaeological site, and the other by a greedy treasure hunter who wants to keep the fabled treasures of the city for himself. An agent of a foreign power also wants to establish a secret airbase there, ...