The increasing robberies of the general's dachas ended in the murder of a random passerby. Beginning opera Sergei Akimov puts forward version after version. Who needed the life of a harmless person? What if he witnessed a crime, and this is not forgiven? And, although the victims unanimously assure that nothing valuable was lost, the detectives understand: a real gang with an experienced spotter is operating here. At the suggestion of his old friend Kolka, Lieutenant Akimov decides to take a closer look at the new physical education teacher, who organized a real combat shooting range at the school...