For fans of THE SILENT PATIENT comes a chilling and unrelenting new psychological thriller, from the author of bestselling DON'T WAKE UP. Emily Jacobs wakes up in the night after a minor operation, woozy with anaesthetic. She sees the doctor frantically trying to resuscitate the woman in the bed next to her. In the morning, she is told that she must have had a nightmare. That the bed has been empty all along . . . When Emily returns to her work as a nurse, she discovers a bracelet that she believes belonged to the missing woman. She becomes convinced the people at the hospital are hiding a terrible secret. What if she's right? What else could they be capable of?