Send me a name. Make someone pay. Piper Woods can't wait to graduate. To leave high school-and all 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. And with one text, Piper can make them pay. But the truth can be dangerous...