Back on Tarkon, where the Tarkonians live under a strict belief that technology is ill-fated and its use forbidden among its people, Ranger Walter "Doc" Hartford is trying to convince King Spartos to heed his warnings. Doc has brought information stating that the Queen of the Crown is mounting an attack on Tarkon and that the only thing that can save them is to awaken "the Heart of Tarkon."

With the Crown Armada approaching and the Scarecrow threatening to destroy the "Heart" for his own plans, Doc must rally with help from the daughter of King Spartos, Maya, to help an old Shaman bring life back to "the Heart of Tarkon."