Muscovite Sasha Trofimov returns home after serving in the army. In the absence of his father, his uncle, who works as a photographer, helps him decide on his profession. He takes the boy on as an intern, meaning that he will follow in his footsteps. Sasha, who has shown a great interest in photography, does not like his mentor's way of life very much, and he seriously thinks about "what to do?".