Anya Sterling has always had a knack for noticing the things others miss-a nervous habit, a whispered conversation, or a misplaced doodle. When the school's star pupil disappears, the faculty calls it a "private transfer." But Anya knows better. Armed with nothing but her sketchbook and a pocket full of snacks, Anya begins a solo investigation into the dark hallways of her school. But the deeper she digs, the more she realizes that some lessons are lethal.