The remains of a caravan fire on a fall camping found an unidentified body. The owner is missing, but is it really she who is the victim? And what role does the so-called neighborhood watch in the nearby residential area? The police chief Klas Peace chooses, of Martin Becks head, to recruit the charismatic, Norwegian homicide investigator Steinar Hovland. The newly composed Beck Group is facing a power struggle infected and Martin are struggling to find their way back to his old self.