Having arrived from the village to Leningrad, the heroine achieved everything she could dream of: she graduated from the Institute with honors, defended her thesis, built and furnished a cooperative apartment. Only here in private life she was not lucky: for some reason, do not hold near her man…

There was an important event in the Khudyakov family - the eldest daughter gave birth to a son. However, the young mother flatly refuses to name the child's father. In order to give his grandson a middle name, Khudyakov instructs his son to find the father of the newborn.