"Wow . . . one of the best books I have read!” —Goodreads reviewer, five starsA widower lets a new woman into his heart and his home—but she has her own agenda, in this thriller from the bestselling author of The Girl I Used to Be. Ever since Sophia Saunders was murdered, her husband, Peter, and daughter, Lauren, have been trying to rebuild their lives. Desperate to fill the emotional void, Peter becomes involved with a woman from his grief support group. But as his relationship with Alice progresses, Lauren becomes unsettled. Why can’t she find any trace of Alice online? Who is she, really, and what does she want? Lauren is right to be suspicious. But the deeper her investigation of Alice goes, the greater the danger grows . . .