When the sole survivor of a destroyed world escapes to another galaxy where feuding races have existed for ages, a common miner named Graveheart rises to the occasion, helping to form an alliance that will be essential to their survival.
The Alliance approaches Lord Mantel of Rock and Graveheart is jailed for treason, but Jade, a military soldier and friend to Graveheart is skeptical of the truth, and helps him escape to fight off a Beast attack.
Conniving Emperor Femur of Bone tries to play the Alliance against a deal with Lamprey of the Beast Planet, but his two faced actions nearly destroy his world until Graveheart and the Alliance step in.
While Graveheart and the Alliance fend off another Beast Drone attack, Cryos' daughter is taken hostage and the King must choose between his daughter and his people.
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.
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.