Tayny sledstviya. Proshlyy vek (2019)

XIX century. The end of the reign of Alexander III. The era of romance, nobility, as well as - mysterious and sophisticated crimes. A secular lady, the wife of a state councilor and deputy justice minister, Mariya Sergeevna Perevalova, suddenly finds herself in the center of a criminal history. It would seem that a minor incident - a broken window during a dinner party in her mansion - leads to a chain of tragic and scandalous events, mysterious murders and disappearances. Traces lead to crime on a national scale. The prosecutor of the court of justice Kovin, the head officer of the security department Korablev and the police detective officer Kurochkin immediately join the investigation. Ms. Perevalova also can not stand aside. Although women are forbidden to study criminal law, and it is not appropriate for the ladies of her circle to even show interest in such topics, Mariya Sergeevna goes against the will and prohibitions of her venerable husband Andrey Perevalov and is actively involved in the investigation.