The film is dedicated to the All-Union Leninist Communist Youth Union. The film includes footage of the Civil War chronicle, the construction of industrial enterprises of the 1st five-year plan in the 1920s and 1930s, the chronicle of the Great Patriotic War, the development of virgin lands in Kazakhstan and Altai, Yu.A. Gagarin's flight into space, the work of Komsomol members and youth at the Leningrad Admiralty Plant, at the construction of the Kamaz automobile plant and the city of Naberezhnye Chelny. The work of Komsomol members in agriculture, training at the Kiev Polytechnic Institute, sports, the patronage of the Komsomol over the pioneer organization, youth work in student construction brigades, youth participation in International festivals of youth and students, youth admission to the Komsomol. Meeting of the 17th Congress of the Komsomol. Speech by E. M. Tyazhelnikov - 1st Secretary of the Central Committee of the Komsomol.