A thirty-year-old typist reconsiders her values and priorities regarding her friends, fiancé, and life in general.

The main character of the film Lena is an engineer in a printing house. Her fiance Volodya is a promising scientist. They are about thirty. The film tells about their life for several months: from the July rain to late autumn. Relationships that begin as ideal end with a break when Lena, disappointed, having revised her views on life, refuses to marry Volodya.