Plot

While searching desperately for the kidnapped native girls, Tarzan discovers that the people of Lyolia are dying from a plague. He brings the doctor from Randini to help try to cure the sick people. The Loyolians decide to kidnap both Jane and the nurse, Lola, and use them to repopulate their city. In an attempt to escape, Jane and Lola end up trapped in a tomb that Sengo, the head kidnapper, has sealed. In the meantime the Prince of Lyolia has his high priest imprisoned because he has been unable to cure his son. Tarzan and the Doctor lose the medicine in the jungle. Tarzan finds out that Jane and Lola are in a sealed tomb and he must find them before their air is used up.