It so happened that it was a friend of the Bantyshev family, Boris Zheltukhin, who discovered Irina’s corpse in the apartment, moreover, three days after her death. The husband and daughter of the deceased were vacationing in Crimea at that time. They did not have time for the funeral, and Boris took all the troubles upon himself. Sergei is stunned by the tragedy itself and the bitter reproaches of Zheltukhin, who secretly loved Irina. Moreover, a close friend of his wife claims that a completely stranger was lying in the coffin...