Second half of the 1960s.
Novikov, an employee of the apparatus, is a charming and successful functionary, married to the daughter of a former party leader. His life is a success — he has a status, a family, two children, as well as a young mistress — student Tanya, for whom he will never divorce... During the conflict at a youth construction site in Siberia, which he must repay, Novikov shows himself as an experienced dodger and a provocateur. Tanya's father, a war veteran and an honest worker, Ivan Dronov considers himself entitled to punish this scoundrel...