In the frigid clime of Tumba, Sweden, a gruesome triple homicide attracts the interest of Detective Inspector Joona Linna, who demands to investigate the murders. The killer is still at large, and there's only one surviving witness-the boy whose family was killed before his eyes. Whoever committed the crimes wanted this boy to die: he's suffered more than one hundred knife wounds and lapsed into a state of shock. Desperate for information, Linna sees...

When a medium contacts the police department with claims about a murder at a rural home for wayward girls, detective Joona Linna investigates bizarre clues only to find himself confronting more violent truths and a figure from his past. .