Rory and Pandora are sneaking out to fight crime with their newly found powers. Meanwhile, around the world, people are being attacked and killed by demonic creatures who are looking for "the Gryphon". When Rory and Pandora return home, these same creatures are attacking their grandmother. Their uncle Walter helps them destroy the monsters, revealing his own powers. Now the children must learn the truth. They are not mutants as they thought. Rather they are children of a powerful being, same as their "uncle" and their "grandmother" who are actually their siblings!