Novelist and skeptic Charles Condomine arranges a séance to begin research on his newest book. Unfortunately for him, Madame Arcati actually knows what she's doing. Supernatural shenanigans ensue when she conjures up the ghost of Charles' dead first wife, Elvira. Only Charles can see and hear Elvira, who's doing everything in her power to break up Charles' marriage to wife number two. Chaos - and hilarity - follow.