A chance meeting between the main characters takes place at the train station at the moment of seeing their families off on vacation. And love! But three weeks fly by like a blink of an eye. The wife and daughter return to Pasha, the husband and son - to Masha. What to do?

Everything goes wrong for several people based in different Russian cities on New Year's eve. To fix their problems, they have to do a lot within just a few hours. Find rent money for an apartment. Win 8-years-old daughter’s confidence. Recover from amnesia. Find a way to be with a boyfriend against Dad’s will. Climb the city's main New Year's tree in a dragon costume to prove your love for your fiancé. Conquer a pop diva`s heart. Save a plane from a crash. And even find your youth sweetheart 40 years later.

Alla devoted most of her life to her ex-husbands, son and daughter. She works as a tutor while continuing to support her adult children and husbands. Relatives come to her for lunch every day, not at all interested in Alla herself. In one of these family dinners, choking on potatoes, Alla almost dies, but "relatives" do not even notice this.