Moscow city. Experimental flight of the glider in tow at the substratostat. Flight and landing. Start-up of a power plant in one of the collective farms. An electric saw and an electric thresher are in operation. Haymaking and hay harvesting. Harvesting grain in a mechanized way. The city of Leningrad. Tests of a radio installation for controlling a model ship, designed by a schoolboy Yu. Grobovikov. There is Yu. Grobovikov. Ossetia. Schoolchildren-climbers on one of the peaks of the Caucasus Mountains. Raising the flag. Moscow Hippodrome. All-Union derby. The winner is the La Bayadere horse. Moscow city. Football match between the Spartak Moscow team and the team of the French Workers' Sports Association at the Dynamo stadium.