A 1949 two-part Soviet epic war film about the Battle of Stalingrad, directed by Vladimir Petrov. The script was written by Nikolai Virta.

A truck driver meets a bunch of orphan children during his night trip. Suddenly his life start changing.

Two completely different sons grow up in the same family. The youngest, Frol Kalitkin, is an exemplary seventh-grader, winner of Olympiads, the first student. And the eldest, Andryusha, is a loafer, a loafer and a dude. The “correct” Frol takes up the upbringing of his brother.

Fun-loving Keshka, fidgety Borka, romantic Sima, businesswoman Anechka and extremely serious Tolyan, suddenly taken up with sports, quite seriously take up the construction of the map.

The movie tells about the life of Soviet scientists. Professor Dobrotvorsky, together with his colleague Losev, is on his way to completing a scientific work of great importance in medicine. Professor Dobrotvorsky's friend Academician Vereisky learns from a foreign journal that important data about this work has fallen into the hands of American businessmen.