Nina is informed that her grandfather, Pavel Nazarov, has been admitted to a hospital with extensive heart attack. The girl immediately goes to the city of Staroselsk to find out what happened to her grandfather.

When Nina arrives at the town, her former classmate, a boisterous businessman, Slavik, and her grandfather's successor as school principal, unsure of Anton, start to pay attention to her. And even to her, every detail gets caught by Officer Victor.

Nina asks her Metropolitan groom, a classmate of Cyril, to come and bring medicine from Moscow for Pavel Alekseevich. All the men who surround Nina behave differently. Nina is going through treachery, meanness and still believes that she will have family happiness ...