Asya, Lera and Nadya are best friends since school. Each of them has their own well-established life, but relationships with men do not work out. After 20 years of marriage, Nadya's husband left for his pregnant secretary. Lera got married right after school and gave birth to a child, but she has been raising her son on her own for a long time. Her lover Kostya is married and has no intention of leaving the family. Asya has never been married and has no children. With the appearance of Igor in her life, everyone thinks that they are a wonderful couple. But Igor doesn't think so.
Tired of eternal problems with men, the friends take an oath to each other that from now on there will be no traitors in their lives. Girls no longer believe in relationships and will not allow men to ruin their lives. But even the strongest vows lose their power when true love comes...