Valentina a young-looking and attractive woman works as a teacher in a prestigious university. Her daughter Olga is only 16, but she is already a student. Mother and daughter live in perfect harmony, although they are very different in character. But one day a young graduate student brings discord into the family. Valentina falls in love with the guy, and takes his romantic speeches about first love takes personally. However he talks not about Valentina, but about her daughter Olga.