Returning home late at night, Vera discovers the mutilated corpse of her father, a famous jeweler, in the entrance, and the apartment has been looted. The jeweler's companions hire frequent detective Tatyana Ivanova to find the killer and the general money that was in the apartment at that moment. Tatyana begins an investigation and very soon realizes that neither the local mafia nor the visiting performers are involved in this wild crime. So who are these robbers, at the mention of whom the daughter of the deceased for some reason begins to droop terribly.