Lawyer Medushevsky makes it clear to Vershinin's deputy that he is aware of his connection with a gang robbing cash collectors. Vershinin himself continues to search for the car used by the criminals, and suggests that the robbers could have drowned it. He asks for help from an employee of the Ministry of Emergency Situations, Oparin. At his request, divers are sent to explore the bottom of the lake. But at the bottom of the reservoir, they find something completely different from what they were looking for.…

A young pupil disappears from an orphanage. The director of the orphanage does not hide her concern, but it is not the fate of the child that worries her. Vershinin, studying the circumstances of the boy's disappearance, notices discrepancies in the testimony of the headmistress and the teacher.