Michelle Delasalle, the headmaster of a private school, is a terrible husband and a very bad person. His colleagues, his wife Christine, and even his mistress Nicole can't stand him. His wife, who actually owns the school, wants a divorce, but Michelle says he would rather kill her. Driven to the limit, his former rivals decide to take the extreme step of drowning their tormentor. All that remains is to hide the body, report the disappearance to the police, and forget about this nightmare. But suddenly the body disappears, and Christina begins to be haunted by strange visions. Meanwhile, retired police officer Fische begins searching for the headmistress's missing husband.