At a gorgeous masquerade party, Lucas scared all his friends away. Because in just a few seconds, he became a super monster with wings. And he was scared out of his wits. Angry at his father's concealment of his family background, Lucas steals a mysterious map and is determined to find the real hometown his father accidentally mentioned-Monster Island. When he completed the long voyage through hardships, all the sights before him were enough to dumbfounded him. Unexpectedly, this journey to find his roots not only allowed him to find his relatives, but also put himself and the residents of the island into a great test of life and death.