It starts with just one body... When a boy's body is found - the hands bound, the skin covered in marks, Detective Superintendent Jeanette Kihlberg is determined to find out who is responsible, despite opposition from her superiors. Then two more bodies are discovered and it becomes clear that she is hunting a serial killer. With her career on the line, Kihlberg turns to psychotherapist Sofia Zetterlund. Together, they expose a chain of shocking events that began decades ago but will it lead them to the murderer before someone else dies? 'A compulsive page-turner' Sunday Express 'Compelling … we are left gasping for breath' Daily Mail 'There's a fantastic twist... the pace of its revelations is relentless' Observer