Our heroes travel to Egypt to foil De La Porta's scheme to find the legendary Staff of Set, use it to activate a Primal Stone and resurrect Set, the ancient Egyptian God of Evil. Pursuing the Professor, Jason, Tann, Lua and Kong are forced to fight a giant Crocodile/Giggles Cyber-link created monster.

An old friend of Tann's, Caroline Watson has discovered the Primal Stone of the Soul and is being stalked by De La Porta and his men. Tann, Jason, Kong, and Lua fly to Guatemala to rescue her. In an ancient Mayan temple the Professor captures Tann and Caroline and uses the Stone to size control of their minds.