1Épisode 1
Embalmed bodies of girls are found in St. Petersburg. Profiler Volgina and investigator Volokh are involved in the case.
2Épisode 2
The corpse of another victim of a maniac is found on the beach. Volgina exposes the inconsistency of the theories of the expert Safrazyan.
3Épisode 3
Volgina suggests that the strangler learned to embalm animals. The police manage to get through to a prostitute kidnapped by the killer.
4Épisode 4
The police discover a new victim, but the perpetrator has a different handwriting. Volgina is sure that the maniac was abused as a child.
5Épisode 5
Volgina gives the name of the strangler who attacked her. Volokh does not believe that the Troitsky case is connected with a series of murders in St. Petersburg.