Wednesday Addams is sent to Nevermore Academy, a bizarre boarding school where she attempts to master her psychic powers, stop a monstrous killing spree of the town citizens, and solve the supernatural mystery that affected her family 25 years ago — all while navigating her new relationships.
Workaholic Jim Evers and his wife/business partner Sara get a call one night from a mansion owner, Edward Gracey, who wants to sell his house. Once the Evers family arrive at the mansion, a torrential thunderstorm of mysterious origin strands them with the brooding, eccentric Gracey, his mysterious butler, and a variety of residents both seen and unseen.