The wife of a large restaurateur Safronov - Elena is killed. Safronov insists on doing this business on Petrovka. From the very beginning, Kamenskaya suspects the businessman in the murder of his wife. However, it soon becomes clear that Lena had a lover. But Nastya can not meet with him. Upon learning of Elena's death, Vasili committed suicide. In his suicide note in the murder of a loved one, he accuses Safronov. Dotsenko detains an assistant restaurateur, but then the FSB officers interfere in the matter.