Southern seaside town. High school students Olya and Mitya met at sports classes, made friends. Suddenly the girl's mother dies and Olga, left in the care of a semi-literate aunt, decides to leave school and go to work. Mitya's family, and first of all, of course, he himself, already in love with Olya, convinces her to move to live in their house. Participation and caring attention literally returns the girl's interest in life and further studies. However, rumors spread around the school about the cohabitation of two students, and hints were made about the intimacy of their relationship. As a result, young people quarrel. But real friends and family of Mitya are trying to help the lovers sort out their feelings.