Anna has all she needs. Lovely daughter Dasha, favorite job, sweet home. Even having the frequent quarrels with her daughter, getting a small salary working at the library, living in the apartment that is in need of renovation Anna is content with what she has. She is certain that at her age there is no hope for a turn in luck. However the day of her fortieth anniversary brings her many surprises. The most terrible ordeals and unexpected changes in Anna’s and all her relatives’ lives begin just from this day.