19-year-old Tasya lives with her mother in a small provincial town. Five years ago, Tasya's father died, and her mother Irina, a 40-year-old, pretty woman, trying to regain a reliable male shoulder, got along with Oleg. Despite his unwillingness to become a father, Irina gave birth to Vanechka. Vanya turns six months on the day Oleg leaves Irina. She is taken to the hospital with a heart attack.