The richest man in the region was killed - oligarch, former deputy and close friend of the governor Arkady Khukhminsky. Killed on vacation, in the elite Volga boarding house “Attica”, where only “their own” gather. At the same time as the oligarch, a boarding house maid dies, leaving a suicide note in which she confessed to the murder of Khukhminsky. It would seem that the case can be closed. But during the investigation, police lieutenant colonel Boris Petrukhin suddenly finds out that there is no place to put marks on the deceased - he was a seasoned criminal, and the people suspected of his murder are not guilty of anything, they were just cleverly framed by someone...