Marina is doing everything she can to win over her mother-in-law, as her husband Evgeny is very attached to his mother and doesn't want to upset her. They are a great couple, but they don't have any children. The mother-in-law, however, really wants to dote on grandchildren and believes that Marina is to blame for their childlessness. After numerous examinations, Evgeny and Marina decide to undergo IVF. But the mother-in-law has other plans for her beloved son. She has already found another wife for him - young Lena, who is perfectly healthy...