Plot number 1. Autumn gathering of change-workers (storerooms) of the Moscow Proletarian Division. At the assembly point, soldiers receive Red Army books; rifles are cleaned in the camp; in the classroom they shoot from a prone position, overcome obstacles. Scene number 2. The city of Mikoyan-Shokhor (Shahar), Karachay region. The trial of the murderers of the worker-correspondent-bricklayer Vartanov. The accused, a blacksmith-party member, Kurskiy and Malin, talk with their defender, the chairman of the court announces the verdict - execution. Scene No. 3. Export of melas (molasses - black syrup, a by-product of sugar production) from Odessa by the British steamer "ATHELCHIEF". Scene No. 4. Leonid Alekseevich Kulik's expedition along the Podkamennaya Tunguska River (Turukhansk Territory) is heading to the place where the meteorite fell. The expedition includes a researcher Viktor Aleksandrovich Sytin and a cameraman "Sovkino" Nikolai Alekseevich Strukov. Plot number 5. There is an election campaign in the American Kansas. Demonstrations of residents in support and against candidates. Republican Herbert Hoover and Democrat Alfred Smith are running for president.