Jason and Tann journey to the mysterious Kong Island with their college professor, Dr. De La Porta.

Professor De La Porta kidnaps Dr. Jenkins and forces her to reveal the location of the powerful Primal Stones.

The theft of the Primal Stones upsets the island's environmental balance, triggering earthquakes, storms and volcanoes.

When Lua is captured and brainwashed into releasing the ancient demon Chiros, it's up to Jason and Kong to defend the island from the evil monster.

Jason, Tann, Lua and Kong travel to New York to find out who is stealing ancient tablets connected to the Primal Stones.

Jason and his friends try to keep the Cyber-Link from falling into the hands of a notorious underworld arms dealer.