You know, they say everyone has a twin in this world. Cassie Maddox discovers hers murdered, in an abandoned cottage in the country. Not only that, she has an ID with Cassie's undercover name on it. You see, Cassie is a Detective in Dublin and she used to work undercover. Her undercover name was Lexie Madison. Now, Cassie is asked to go back undercover, again as Lexie, to try and flush out the murderer. She manages to return to the dilapidated country mansion Lexi shares with 4 roommates. It is a complicated life full of complicated relationships. Cassie finds herself becoming emotionally involved with this group of misfits while the investigation goes on, not only trying to discover just who killed Lexie, but Lexi's true identity. Tana French weaves a great mystery, and seduces you into her tale with wonderful descriptive phrases. Her pen is like a paintbrush. I have found a new favorite author!