The start of the Stalingrad-Moscow cycling relay in honor of the 16th Congress of the All-Union Communist Party (Bolsheviks), stops in the settlements of the relay participants; participants of the Sevastopol - Moscow cycling relay on the track, the finish of the relay Leningrad - Moscow. View of the new diesel workshop of the Kolomna Machine-Building Plant, workers at the machines, a steam locomotive, a tram. Arrival in Moscow of a new steam locomotive, a gift from the Kolomna workers to the 16th Congress of the CPSU (b). Transfer of the banner by the red front-line soldiers to the Zlatoust Mechanical Plant, rally. A rally in the Moscow Park of Culture and Leisure, dedicated to the 25th anniversary of the uprising on "Potemkin" with the participation of veterans of the 1905 revolution. A military ship in the Black Sea, sailors on deck; military ships at the Odessa pier. Meeting of Odessa workers with sailors. Meeting of the pioneers of Turkmenistan with the workers of the Yaroslavl plant "Krasny Perekop" and with the collective farmers of the collective farm "Zavety Ilyich". New York - pioneer demonstration, police crackdown on demonstration.