After deciding to spend the last weeks of their vacation in Einar's childhood town of Skoga, newlyweds Puck and Einar find a young man stabbed to death with a dagger on their lawn.
In Bergslagen in the 1950s, amateur sleuth Puck Ekstedt, her student boyfriend Einar Bure and their police superintendent friend Christer Wijk set out to solve a series of murders. In the first episode, a female guest is killed at a university tutor's summer house on a secluded island.