With prayer beads in one hand and an ax in the other, a monk hunts down a millennia-old spirit that's possessing humans and unleashing hell on Earth.
A group of people on a world wide search for oddities find themselves trapped in a nine hundred year old Italian castle when they accident unleash the Demonic Toys.
Hee Joon gets possessed by an evil spirit. Sister Junia takes it upon herself to save the boy aided along the way by Sister Michaela who decides to help her even though chaos surrounds them. Father Paolo, a psychiatrist, believes that he can cure Hee Joon with medical intervention meanwhile Father Andrea performs exorcisms on the boy.
In the eyes of the world, Sun Xiaohu is missing. In reality, he's a wandering spirit that can only appear to and interact with his twin brother, Sun Xiaotu. With his brother's help, Sun Xiaotu joins the police force in order to find out what really happened to his brother, but they soon discover they're just one part in a much bigger plot.