When he was a child, Yong-Hoo’s father died in an accident. Yong-Hoo has distrusted and resented people since then. Now, Yong-Hoo is champion in martial arts. He meets Father Ahn. Father Ahn is also an exorcist. They get involved in a case and gaining divine powers, Yong-hoo must help Father Ahn fight a powerful evil.