 There he finds the crazed Zolok, last of the Lemurians, in a secret complex inside a mountain.Zolok had created the natural disasters as a prelude to his attempt to take over the world, holding a brilliant scientist, Dr. Manyus, there hostage, along with his daughter, Natcha.He had forced Manyus to create mindless "giant" slaves out of the natives as a private army and as the serial progresses we learn Manyus also turned another tribe, the spider-worshipping Wangas, into thin, impotent whitesencounter Ben Ali, a malignant slave trader; meet the sexy native Queen Rama, who tries to help them; and survive harrowing jungle adventures before returning to the Lost City and stopping Zolok's plan.