Death by calculation. Leonov N.I., Makeev A.V.

Student Alena, who arrived in the capital, disappeared under unknown circumstances. Colonels of the Ministry of Internal Affairs of Gurov and Kryachko find out that at one time the girl had a love relationship with her teacher. He had a reputation as a womanizer and seduced more than one victim. During the interrogation, the man said that he had long parted with Alena. Soon, operatives learn that the suspect has a brother, a bank security officer. The case took an unusual turn when the detectives recognized the terrible story of this strange family...