In a Copenhagen park the body of an elderly lady is discovered. Across town a crazed motorist hunts a young woman. The attacks seem random, but are these brutal acts of violence in fact related? Detective Carl Mørck of Department Q, Copenhagen's cold cases division, is charged with solving the mystery.Back at their headquarters, Carl and his team are under pressure to deliver results: failure to meet his superiors' expectations will mean the end of Department Q. And above all, Rose struggles to deal with the resurfacing of her past - a past in which a terrible crime may have been committed. The master of the Nordic thriller returns with the seventh instalment of the gripping Department Q series.