1syuzh. - Japan. Occupation of Manchuria: Japanese warships, including a submarine, battleship, battleship at sea, officers on the deck of one of the ships. 2syuzh. - Kharkov. Start of the Kharkov Tractor Plant: plant building, meeting. Speakers: Chairman of the All-Union Central Executive Committee G. I. Petrovsky, General Secretary of the Central Committee of the Communist Party (Bolsheviks) of Ukraine S. V. Kosior. The first tractor leaves the assembly line, moves through the territory of the workshop, plant (at the wheel of the tractor operator Marusya Bugaeva.) Petrovsky, Kosior observe the movement of the first tractor with the KhTZ brand. 3syuzh. - Leningrad. Plant "Russian Diesel": assembly of the C-68 engine, "Diesel Stalin" in the shop, workers at work.