Spring 1942. Moscow schoolgirl Katya is corresponding with a cadet of the naval school Kostya, who is unknown to her. When sent to the front, his echelon must pass through Moscow, and they have a chance to meet ... Our days. Muscovite Katya, a talented violinist and a wild child, without realizing it, begins to follow in the footsteps of the history of Katya and Kostya, her peers from the war years. Will she be able to finish an amazing teenage love story that began years ago?
On the island of the monks in Brittany, Constant Lucas, a former war photographer, lives in the memory of the one who was nicknamed "the star of Siberia". The old man cannot forget this passionate love that haunts him! His son Sergio suddenly arrives on the island with the little Adela that the old man does not know...
Every Saturday fireman Anton Kalashnikov welcomes his 14-year-old daughter Kira from the dance. TV, dumplings for dinner - a standard set of entertainment from a Saturday dad for a teenage girl. But on this day, everything went wrong. Kira rings the intercom, Kalashnikov opens the front door, but the girl does not go up to the apartment. Anton has to ask for help from his neighbors in a concrete box, breaking through human indifference and past grievances.