25 years after Kaelor's defeat. For a time, the universe is peaceful. Theo has fallen in love with a woman from Earth and has a young son, Jorin. But darkness looms on the horizon as Vexthar, a powerful tyrant from a parallel universe, seeks to conquer all universes, with Theo's universe next on his list. The Keepers unite once again to face this new threat. Vexthar is not alone; using the Cretaceous Shard, he transforms dinosaurs into intelligent, augmented monsters. Can Theo tap into his true power once more, or will Vexthar succeed in conquering the universe?