During World War II, a group of brave soldiers and civilians in Leningrad endure the brutal siege of their city and strive to defend their homeland against enemy forces.

The story concerns the events in Saint Petersburg on the eve of the First World War. Private detective Petya Chukhontsev, a law student who has not completed his studies, investigates the case of the murdered inventor Kuklin. He was murdered exactly as he predicted during a New Year's visit to Chukhontsev. While investigating the Kuklin case, Petya soon realizes that the central figure in this case is the German Scholz, the owner, who cheaply buys up the inventions of Russian craftsmen and hands them over to the spy Siegfried Gay, an advisor to the German embassy. . However, Petya will soon understand that it is better to mind his own business...

Lithuania, 1941. German tanks and motorized columns broke into the border military town. Seven Soviet soldiers were cut off from the garrison. Without food and weapons, they went through the occupied territory to the location of the Red Army units.

Amateur actors read stories from a book describing the 900-day siege of Leningrad during World War II.

A tired clerk jumps out the window and flies away on an umbrella to a desert island. There he builds a new life, but the serenity ends when new clerks begin to fly to the island.

A literature teacher, graduate of the Pedagogical Institute, becomes the class teacher and best friend of the children in the tenth, graduating class...