Tragedy strikes the elite closed school Illumen Hall - at the end-of-semester party, the body of a student with a mysterious magpie tattoo on her back is found. Audrey Wagner is new and tries to stay away from this dark story, but finds herself drawn into the investigation: her neighbor room, Ivy was close to the murdered girl. Delving deeper into the story of the chilling murder, they find out that behind the door of their seemingly ideal school lies many secrets. Anyone who can reveal them is in danger, because the killer will stop at nothing to keep your identity in secret.Welcome to the Magpie Society! And be careful...