This time Lesha, Slava, Kamil and Sasha go to St. Petersburg. And three of the four do not even know why they go there. But at some point it becomes clear that it does not matter - why. It is important that they go.
Contemporary Moscow. Danya, a struggling actor, has just lost his girlfriend. His troubles soon multiply when his younger brother Dima shows up at his apartment with a friend who has a bullet in his stomach.
100 years ago, the Russian Empire ... Christmas Eve. December plugs, holiday celebrations, balls and modest luxury holidays, titled nobles and ordinary peasants, the royal family and the soldiers of the First World War, progressive poets and the first skaters - everything was different, except ... the holiday. People prepared, lived, believed dreaming and waiting for this miracle - Christmas!
The lieutenant Suvorov and his small group of soldiers come to an abandoned village where only few people are left, and among them there is a schoolteacher with children. Suvorov is quite sure that the front line soon will be here. The lieutenant and his soldiers stay in the village and start their first fight with Nazis, giving time the others to leave…
This story take place in Moscow during the 1970s and unfolds around the love triangle between two young men and a girl who study at the same university. They argue, make up, and face their first disappointments and victories. While busy with personal lives and loves, they miss foreseeing that the country in which they were born and live will soon disappear from the map.