A feature film that depicts scenes from the census of Imperial Russia in 1882 and the upcoming census of the Soviet Union as of January 17, 1939. The census takers interview citizens, fill out census forms in the homes of urban residents, collective farmers, and among the guests of the "Moscow" hotel.

During the Russian Civil War, pilot Sergey Sedov engages in battle with the Black Cat enemy fighter, controlled by the famous pilot Baru. In the battle, Sedov wounded Baru, but Sedov's plane fell apart in the air. Sedov was only miraculously saved. A few years later, Sedov and Baru meet in international competitions in Tehran. Baru are to defend the honor of a French company, Sedov and his student...

A young Belarussian man joins Soviet partisans in order to fight Polish occupational forces in Belarus.