The film is dedicated to the publication of the multivolume edition of the History of the CPSU. The building of the Institute of Marxism-Leninism under the Central Committee of the CPSU. Repository of documents of the institute. Restoration of the Iskra newspaper in the laboratory. Reading room of the Institute. Companions of V. I. Lenin F. N. Petrov and E. D. Stasova talk with the staff of the institute. The first revolutionary editions: the newspaper "Kolokol", the novel by N. G. Chernyshevsky "What is to be done?" G. A. Lopatin is the first translator of Capital into Russian. Paintings and photographs depicting the revolutionary activities of the Bolsheviks. Work in the shop of the printing house during the publication of the History of the CPSU.