Wednesday Adams (played by Jenna Ortega) got into a lot of trouble at her previous school. In order to keep their daughter in school, her father and mother decided to transfer her to Nello Academy, where the parents first met each other.and a place to fall in love.

Wednesday Adams, who has psychic abilities, transforms into a girl detective in school, solving a series of supernatural mysteries on campus. In addition to the murders in the small town, she also finds answers to the supernatural mysteries that her parents were involved in 25 years ago.