Mother's grave was the only place where Alex appeared without bodyguards. The killer knew exactly the day and hour and got there earlier. The boss is mortally wounded, and former companions and friends have already flocked to the division. Each of them knows that Alex has damning incriminating evidence on the entire criminal elite of the city and on some of his former friends. Dying Alex suspects that his mysterious killer is among them, understands that he needs to transfer these materials to a reliable person. And he manages to do it. The companions suspect that Alex handed over the papers to his housekeeper, and after his death they begin to blackmail the poor woman. Previously, the book was published under the title “The Belt of Infidelity”