The film tells about the anti-war youth movement "Youth exposes imperialism". The film uses footage from the International Federation of Democratic Youth. Rest and work of youth in the International camp in the Stavropol Territory; First Secretary of the Central Committee of the Komsomol Ye. M. Tyazhelnikov speaks at the XVI Congress of the Komsomol; congress delegates welcomed a Vietnamese girl; meeting of the Eighth Assembly of the World Federation of Democratic Youth; massive anti-war youth demonstrations in foreign countries; a discussion on the struggle for peace at the International Youth Camp; young people are dancing on the playground; drug addicts; American actress D. Fonda visits the Democratic Republic of Vietnam; the funeral of a murdered child in Northern Ireland; clashes between demonstrators and police in Northern Ireland, Japan; West German neo-Nazis; pioneers lay a wreath at the monument; demonstration of protest against racial discrimination in [USA]; A. Davis speaks at a rally (synchronously in English). Rally of students of Moscow State University on the Day of World Youth Solidarity; A. Teruz, Secretary General of the World Youth Federation, speaks at the rally; loading in the Soviet port of cargoes with medicines and equipment for the schools of Vietnam from the Soviet youth; Soviet doctors provide assistance to the population of Peru, affected by the earthquake; an interview with the General Secretary of the Communist Party of Venezuela J. Faria on the role of youth in the struggle against imperialism (synchronously); Englishman K. Halimondo celebrates his birthday at the Youth Camp with his peers. The film uses newsreels: the fighting of the American army in Indochina in 1965; starving children; slums of the poor; policemen bypass the cells of the prison; American aggression in Vietnam; Israeli aggression against Arab countries.