Lauri Räihä and Sanna Tervo return to Varjakka when the village's former police chief is found murdered in the forest. They get the help of chief inspector Jussi Ritola, who is weighed down by a betrayal from twenty years ago.

The arrival of a member of parliament in Varjakka puts pressure on all sides, and the problems in Sanna and Lauri's private lives do not help the investigation. Leena secretly asks her daughter for help with a strange task.