A kind of film mosaic, composed of 13 separate short stories. All together they tell about one day in the life of people who are next to us in a large port city.

Agricultural technical school graduate Valya Didenko, having become a production leader and then a people's deputy, fell in love with her patron - the chairman of the collective farm. However, happiness was not destined to happen. Having deliberately violated long-outdated instructions, the chairman was accused of fraud and brought to trial.

A love story of two townspeople: a girl, who is a subway controller, and a student of an art school.

When Nina Klementyevna, a young scientist, created her laboratory, Zoya became her loyal and devoted assistant. Many years later, having raised three children, Zoya Dmitrievna, a laboratory assistant, meets San Sanych, a kind but weak-willed and drinking man. And the relationship with Nina Klimentievna is collapsing...