At the destruction of Planet Tek at the hands of the planet-consuming Beast planet, Princess Tekla is the sole survivor. In desperation, she reaches a system where four planets named respectively Fire, Bone, Rock and Ice who continually raid each other for the resources that each planet needs. She crash lands on planet Ice where one such raid by the Rock people was confronted by the Ice people. A raiding party from the Beast attacks to silence her, but while they exterminate almost all the combatants, they are beaten back with the help of Graveheart, a miner of the Rock people and King Cryos of Ice. Princess Tekla appoints Graveheart with a massive critical task. Against all odds, he must build an alliance among the worlds to face the horror that is to come.
As the Beast Planet prepares to destroy the Alliance, Graveheart and Tekla scramble to find the hidden secret which will enable them to defend their worlds.
The Alliance lives to fight another day, but at a great sacrifice.
Femur pleads with the world leaders to allow planet Bone back into the Alliance.
Refugee's from planet Fire take control of Rock's battlemoon and Graveheart and Pyrus must reach them before it's too late.
Fleeing from the Beast Planet, Graveheart and the Alliance encounter a new civilization.
Several Alliance members take advantage of a rare moment of peace which does not last as long as they had hoped.
Graveheart and the Alliance discover an uninhabited jungle planet which has a dangerous secret of its own.
When Planet Fire reappears, Pyrus must face his damaged home-world which has seemingly escaped the Beast Planet.
Graveheart and the Alliance discover a rogue planetoid that may hold the secret to destroying the Beast planet, but at what cost.
Graveheart, Cryos, Jade, and Femur are separately captured by warring bands, while on the Prison Planet, and fight to escape as the Beast Planet draws near.
Battles rage as Graveheart and company fight for control on the Prison Planet, while Lord Mantel faces off against the Beast Planet's Mightiest Warrior.
Sternum of the Prison Planet must make an extreme sacrifice to save his world and the Alliance as they face off against the Beast Planet.