Tana French follows her stunning accomplished debut, IN THE WOODS, with an equally compelling psychological mystery that confirms her place as one of the the most exciting new voices in crime fiction. Detective Cassie Maddox is called to a murder scene, where she finds the victim is strangely familiar, In fact, she is Cassie's double. Not only that, but her ID says she is Lexie Madison, the identity Cassie used, years ago, as an undercover detective. With no leads and no clues, Cassie is sent undercover in the dead girl's place to tempt the killer to finish the job.