The central characters are a married couple, Anastasia and Sergey. They got married three years ago and besides being spouses, they are also a great synchronized swimming coaching team. However, they still don't have children, even though both of them want to become parents. After numerous unsuccessful attempts, the couple seeks medical help and the doctor informs them that they are incompatible and only one of them can become a parent to their future child. After attending a charity event, Anastasia starts considering the possibility of adopting a child from an orphanage.