Fourth, after "Woman in a cage", "Pheasant's Assassins" and "Salvation", screening of Jussi Adler-Olsen's best-selling crime series - New York Times favorite, critic and readers alongside such Scandinavian masters of the genre as: Henning Mankell , Stieg Larsson and Jo Nesbo. This time, fearless detectives from Department Q will take up the matter of a mysterious center in which Nazi eugenics practices have been tested on women in detention.

Carl Mørck, who is experiencing personal problems, joins the mysterious disappearance of a prostitute for years that has not been solved. In the course of the investigation, she discovers that the case of a woman is just a fragment of a much larger puzzle dealing with the worst type of abuse. Those whose origin dates back half a century and which are probably still taking place. Sexual abuse, medical experiments, violence and thickening darkness make up the most difficult and so far the most complicated matter in the history of Department Q.