Mila and Tolya Zhukov have reunited. They live in their hometown and are eagerly awaiting their first child. Tolya is convinced that his wife will give birth to a son. He wants to name him Sergey and spends all his free time preparing the room for the future baby. It seems that everything is finally going well for the couple. However, Valentina Dmitrievna reappears in their lives. Anatoly's ex-lover is also expecting a child. And the baby is about to be born.