Film Zero cycle
Marina is 40 years old, she is married to architect Vadim, and everything seems to be all right. Sveta is Marina's sister after her father, she is 20, and she has a little daughter Sonya in her arms, whom Sveta intended to refuse. Marina, being barren, decides that the child will breathe new life into her marriage. But Vadim declares that he is leaving Marina for a pregnant mistress. Upon the division of property, Marina gets an apartment on a zero cycle. Marina gets her degree in architecture and gets a job. Overcoming bureaucratic obstacles, Marina adopts Sonya.