When Ali and her husband Matt decide to separate, Ali moves in with her best friend, Chrissy. Chrissy talks Ali into using a dating app where she meets Ewan. Chrissy and Ewan go on a date that ends up going badly. The next day, Ali wakes up with blood on her, shoes missing, bruises and she can't remember what happened. She also has a condition where she can no longer recognize faces, even those closest to her. A good thriller!