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 12:
Homeward bound with the precious formula and the Goddess. Tarzan and his friends find themselves trapped aboard Simon Blade's ship, when a hurricane swoops down to meet the angry seas...
