During the rehearsal of the play, an accident occurs in the theater. The leading actor Smolov shoots himself with a fake pistol and unexpectedly gets wounded for everyone. The gun turns out to be real. Artyom, Mukhtar and colleagues take over the case. Mukhtar finds a fake pistol 46 in the dressing room, in the raincoat of the artist Izmailov

The gatherings of two old comrades Seleznev and Kolesov end sadly. The next morning, the police find a sleeping Seleznev with a bloody knife in his hands and a dead Kolesov with a penetrating wound to the heart. Ira Poleva, a witness to the murder, first hides from Artyom, and then comes to the police station herself and testifies against Seleznev. However, the next day she is found with a serious injury in the park. The girl's phone will help detectives find the killer.