Finch Chamberlin, the newest transfer to Ulalume Academy, harbors a dark secret after surviving an accident that should have killed her. Drawn to the school and the town of Rainwater, Finch’s mysterious connection catches Selena St. Clair’s attention, and the two become inexplicably linked. One night, Finch, Selena, and their friends accidentally summon a powerful creature that promises to grant their deepest desires in exchange for human body parts. As the danger escalates, Finch and Selena must work together to stop the creature before it destroys the entire island.