"Long ago, in Frights-Plague, in the kingdom of Gorre...To delay the fateful moment when he will be eaten by an old woman, a bat decides to tell her a story: the Benedict of Canterbury, a legendary exorcist, accompanied by his incompetent disciple Arno Van Malt, arrives at the Abbey of Dunwich. They find themselves facing the very strange case of possession of a girl named Rose. Benedict is struck dead. Arno cannot bring himself to kill Rose. So he goes in search of a solution. At his side, a young lady that can at any moment change herself into a terrible killing machine... "A peasant inhabited by the devil. A damn fool exorcist monk. The most unlikely duo!"This adventure comedy's story and artwork have a manga influence.