Littlejohn takes on an apparent serial killer who is stalking the residents of a once-sleepy village. "The place is dead now at night. It's like it was in wartime. As soon as night falls, you don't know what's going to happen." When Samuel Bracknell is found dead in his home with a knife in his back, the third murder of its kind in as many weeks, the population of Carleton Unthank is left shivering in their beds. Superintendent Littlejohn arrives...