Small-time drug dealer is found battered to death on the outskirts of Oslo. A young Dutchman, walking aimlessly in Oslo, covered in blood, is taken into custody but refuses to talk

"Chief Public Prosecutor Sigurd Halvorsrud's wife is found dead in front of the fireplace in the family living room. The cause of death: she has been brutally decapitated. Her husband, who witnessed the grisly murder and is himself covered in blood, immediately falls under suspicion, though he claims his wife's killer was Ståle Salvesen, a man he'd prosecuted years before. Detective Inspector Hanne Wilhelmsen is called in to lead the investigation...