Katya is married to Oleg, and her sister Anya easily falls in love and is also easily disappointed in men. One day their mother Mariya, the owner of a cosmetic clinic, decides to marry Anton, a restaurant chef. It turns out that Mariya's future husband is Anya's former lover. The girl is sure that Anton is marrying his mother only to take revenge on her, and persuades her sister to ruin this wedding.