Cassidy Chapman knows she isn't dead. Unfortunately, no one else does. After the mysterious death of her younger sister, Cassidy's own identity is called into question. As she digs deeper into the accident that claimed the life of her sister, Cassidy discovers a far darker secret than she'd ever thought possible. Helped by the only person who believes her, new WU student Pacey Townson, Cassidy must find a way to solve Jessica's murder and clear her own name--before it's too late.