The film is dedicated to the revolutionary and socio-political labor movement in different countries. The film includes footage of the chronicle for different years, starting from the 20s, including: shooting of V.I. Lenin, protest demonstrations, production processes at industrial enterprises, everyday life of workers, queues of unemployed at the stock exchanges, workers' strikes, the shooting of Chinese communists ... Presentations by E. Thalmann, M. Kashen, J. Duclos, L. Longo, K. Gottwald, W. Ulbricht. Establishment of a fascist regime in Germany. The ceremonial meeting in the Kremlin Palace of Congresses, dedicated to the 150th anniversary of the birth of K. Marx. Liberation movement against dictators in Latin America: Chile, Cuba and others. Types of cities: Paris, Brussels, London, New York, Moscow. Chronicle footage depicting M. Gorky, R. Rolland, R. Tagore, B. Shaw, B. Brecht, A. Barbusse, P. Eluard, R. Guttuso, P. Nerudo, V. Mayakovsky.