"In the exhilarating penultimate thriller of the New York Times and #1 internationally bestselling Department Q series, the team must hunt for a nefarious criminal who has slipped under the radar for decades. On her sixtieth birthday, a woman takes her own life. When the case lands on Detective Carl Mørck’s desk, he can’t imagine what this has to do with Department Q, Copenhagen’s cold cases division since the cause of death seems apparent....