Young Nastya brings home a tutor. But her mother is not happy with her daughter’s desire to study. A suspicious woman sees a hidden motive in the relationship between the girl and the teacher: Nastya was raised without a father and has now fallen in love with her mother’s peer: an educated, impressive man. The mother is ready to break off the shameful relationship at any cost: she does not disdain scandals, blackmail, or hysterics. But if she knew what secrets her daughter had from her…