A clever swindler, posing as a descendant of the Romanov family, fakes his own murder. Very influential people fall under suspicion. In the course of the investigation, it turns out that the fraudster is still alive, and the detectives have to exert considerable effort to make him discover himself.

Detectives investigate a series of murders in which petite women become victims. Igor Toropov - the real "Don Juan" - has four mistresses. Suddenly, all four girls declare their desire to take the relationship "out of the underground" - but this could seriously interfere with Toropov's plans.

Having owed a debt to one of the creditors, Sergey Kalganov provokes him to take tough measures - the creditor orders the kidnapping of Kalganov's wife and daughters. The executors of this order exceed their powers and rape one of the daughters. Now the detectives need to find this bastard.