On the outskirts of Opole, a young girl is cruelly murdered. The investigation shows that she was one of the many victims of the psychopathic serial killer. Commissioner Agnieszka Polkowska (Aleksandra Popławska) appears on the spot. The policewoman is not aware, however, that her participation in the investigation is not accidental. Will he be able to reach the killer before he chooses another victim? (TVN)