Chief Prosecutor Sigurd Halvorsrud's wife is found dead in front of the fireplace in the family living room. The cause of death is instantly apparent - she has been brutally decapitated. Halvorsrud immediately falls under suspicion. Then a journalist at one of Oslo's largest newspapers is found beheaded. What links these two horrifically violent crimes? Detective Inspector Hanne Wilhelmsen is called in to lead the investigation with her old colleague...