Las almas muertas no cantan

Carl Mørck is leaving! After serving time unjustly in prison, he's leaving Department Q. His successor, the mysterious Frenchwoman Helena Henry, appears in the basement of the Copenhagen police headquarters and imposes new rules. Rose hates the new colleague from the start, while Assad is fascinated by her. When a brutal series of murders leaves no room for hesitation, the team must act, and fast. But it's Carl who provides the first clue, dating back decades: an audio recording that connects to the horrific events that occurred at the boarding school of a renowned music academy.