The film is dedicated to the participation of young people from different countries in the social and political movement, about the participation of Soviet youth in socialist construction: student unrest in Berkeley in the university suburb of San Francisco, sending Komsomol members to the construction of the BAM, the construction of the BAM, youth work at the Bratsk timber complex, at the construction of a bridge through the Upper Angara, a meeting of the 17th Congress of the CPSU, youth work in agriculture, youth weddings, youth recreation. Participation of young Soviet specialists in the construction of a railway in Chile. The film uses footage of the chronicle of the fascist putsch in Chile. A rally in support of Chilean patriots. Speech by the Secretary General of the Communist Youth of Chile G. Maria (synchronously).