Fantomcat contracts radiation poisoning after an almighty radioactive explosion at an atomic research facility in Antarctica, and is taken back to Castle Fantom and into a room where it is thought members of the family Fantom go to die, but it is decided by his ancestors, who have a power to grant members of the family Fantom life once more, that he will live again. But in order to live, he must battle a monster. As he is in no state to battle anything, he chooses MacDuff as a challenger against a monster.