Probably the most violent thunderstorm in living memory occurs above a sleepy village on the West Coast of Scotland. A couple consider shelter in the woods, never to be seen once again…DCI Jack port Russell is brought in to research. Nearing retirement, he agrees to attempt one last case, which he is convinced can be solved like a matter of regular. But what Jack port discovers in the forest qualified prospects him to the conclusion that he’s following in the footsteps of a psychopath who is just starting out.