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.

A young couple, Yana and Oleg, decide to quit drugs and start a new life, especially since a child will soon appear in the family. But suddenly the girl is killed. Who wanted to interfere with the happiness of a young couple? Perhaps Oleg's parents did not approve of the choice of their son.