January, Fjällbacka. A semi-naked girl wanders through the woods in freezing cold weather. When she finally reaches the road, a car comes out of nowhere. It doesn't manage to stop. Meanwhile, Patrik's wife, crime writer Erica Falck, is looking into an old case and as she digs deeper, the past starts to cast a shadow over the present and Patrik is forced to see his investigation in a whole new light.