
Hannah had a perfect life in London--a loving husband, a great job--until she did something shocking. Something that she doesn't quite understand herself. And now she has landed herself in a high-risk psychiatric unit. Since Hannah was admitted, two women...

Since Hannah has been admitted, two women have died, including Charlie, one of her closest friends in the institution. It's a high-risk unit, the authorities say. Deaths happen. But Hannah knows Charlie wouldn't have killed herself. She is convinced there's a serial killer...

