Someone took your daughter. And nobody believes you … Then: Three-year-old Ally was found alone in a parking lot. She was barefoot and dressed only in a yellow sundress. In the middle of winter. What kind of person would abandon their daughter? Now: Fifteen years later and Ally has a new family. But her real father has sent her a letter. And now Ally is missing. A gripping twist-filled thriller that will have you looking over your shoulder. Perfect for fans of Gone Girl, The Girl on the Train and Teresa Driscoll.