When sixteen-year-old Georgia Avis discovers the dead body of thirteen-year-old Ashley James, she teams up with Ashley's older sister, Nora, to find and bring the killer to justice before he strikes again. But their investigation throws Georgia into a world of unimaginable privilege and wealth, without conscience or consequence, and as Ashley’s killer closes in, Georgia will discover when money, power and beauty rule, it might not be a matter of who is guilty—but who is guiltiest.