Professor Lexie Driscoll is discussing Josephine Tey's books at a Golden Age of Mystery Book Club meeting when her sister Gayle arrives, terrified for her life. She's witnessed her boyfriend's murder and fears the killer is coming after her. Then, a man's body is found lying in Lexie's backyard, and Gayle takes off. Determined to learn the truth, Lexie investigates, and discovers the bookclub members have secrets that lead to more murders and unexpected revelations in a baffling whodunnit.