Receiving a sealed bottle with a years-old plea for help by two young victims imprisoned in a boathouse by the sea, Detective Carl Morck follows leads to a desperate woman trapped in a brutal marriage to a man who keeps her in isolation and hides deadly secrets.

Detective Carl Mørck investigates the twenty-year-old murders of a brother and sister whose confessed killer may actually be innocent, a case with ties to a homeless woman and powerful adversaries.

"In the penultimate thriller of the New York Times and #1 internationally bestselling Department Q series, the team must hunt for a nefarious serial killer who has slipped under the radar for decades. On her sixtieth birthday, a woman commits suicide. 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. It's a tragedy to be sure, but the cause of death seems...

"The newspaper refers to her only as Victim 2117-the two thousand one hundred and seventeenth refugee to die in the Mediterranean Sea. But to three people, the unnamed victim is so much more, and the death sets off a chain of events that throws Department Q, Copenhagen's cold cases division led by Detective Carl Mørck, into a deeply dangerous--and deeply personal--case. A case that not only reveals dark secrets about the past, but has deadly implications...

"When a young woman is discovered brutally murdered in her own apartment, with an intricate pattern of lines carved into her face, Copenhagen police detectives Jeppe Korner and Anette Werner are assigned to the case. In short order, they establish a link between the victim, Julie Stender, and her landlady, Esther de Laurenti, who's a bit too fond of drink and the host of raucous dinner parties with her artist friends. Esther also turns out to be a...