From Sara Shepard, author of the #1 New York Times bestselling Pretty Little Liars series, comes the nail-biting, shocking conclusion to The Lying Game. Sutton Mercer had the perfect life, great friends, and a gorgeous boyfriend--until she was murdered. Then the killer forced Sutton's long-lost twin sister, Emma, to pretend to be her. Emma has been living Sutton's life for weeks now, frantically trying to figure out who killed her sister and why...