Tumba, Sweden. A triple homicide, all victims of the same family. Detective Inspector Joona Linna asks to investigate the horrific crimes, despite the intentions of the national police. The killer is still at large and apparently the eldest son of the family escaped the carnage; but it’s only a matter of time before he will be killed. Linna research where to start? The only survivor is a potential victim – a boy who saw his mother, father and sister killed right in front of him. Desperate to find out how little information, Linna has only one solution: hypnosis. This decision triggered a long and terrifying sequence of events.