Tarzan heads to Guatemala to look for his friend, D'Arnot and helps Major Matling search Mayan ruins for hidden jewels and an idol holding the formula for an explosive. Guatemalan police pursue Alice and Gordon assuming them as spies. Ula Vale as a mysterious figure is revealed in the final episode to be an undercover government operative.
Chapter 6:
While his friends await him at camp, Tarzan hastening on Raglan's train to recover the Goddess, encounters the adventurer's henchmen in the jungle.
