Tarzan and the Conquistadors

Tarzan and N'kima find a group of Conquistadors in the jungle where their leader Carlos claims that the treasure of his ancestors are in the mountains where the Donlumangani live. Now Tarzan must enlist the help of Tar-Sheeta to help the Donlumangani prevent the Conquistadors from stealing back their treasure before a cave-in is caused on the Donlumangani's city.