Aillaendeu plot
Won Mi-ho is about to take over her father's conglomerate when she gets involved in a traffic incident. Her father temporarily sends her to Jeju Island to teach at a school. However, Mi-ho discovers that the island has been taken over by malevolent spirits. The island also attracts the attention of priest John, who is skilled in performing exorcisms. He has learned that the demons are about to take over the world and a young woman may be the person who can save everyone. John decides to help Mi-ho.