Piper Woods can't wait to graduate. To leave high school and the annoying cliques behind. But when she finds a mysterious notebook filled with the sins of her fellow students, Piper's suddenly drowning in their secrets. And she's not the only one watching... An anonymous text invites Piper to choose: the cheater, the bully, the shoplifter. The popular kids with their dirty little secrets. With one text, Piper can sink them all and their precious reputations. But playing with fire—and the truth—can be a dangerous game.