The film is dedicated to the 75th anniversary of V.I. Lenin's book "Materialism and Empirio-criticism". 1h - Chronicle footage: devastation in the country during the 1st World War. 2h - Lenin and Krupskaya, their work on the creation of the newspaper "Proletary". Streets of Geneva, where Lenin lived. Volumes of Lenin's books are being re-read: Artsabashev, Stepin, V.M. Novikov, etc. 3h. - Streets of Paris: ladies on bicycles, people running, etc. Work on the telegraph for men and girls. Work in factories, laboratories (France). 4-5h - Ideological differences between Lenin and the Machian philosophers Bogdanov and others. The essence of the materialist perception of the world, reflected in Lenin's work "Materialism and Imperio-criticism".