The film is dedicated to the history of the search for the Poroninsky archive of V.I. Lenin in Poland. Moscow city. Institute of Marxism-Leninism. Repository of V. I. Lenin's manuscripts. Books, manuscripts, documents of V. I. Lenin from the Poroninsky archive. Portrait of the old Bolshevik Y.S. Ganetsky, searching for the archive. Poland. Chronicle 1950s-1960s. Landscapes of the surroundings. Tatra Mountains. House-Museum of V.I. Lenin. city of Krakow. Krakow University. The park. The house where V.I.Lenin lived. Museum of Princes Czartoryski. Archive premise. Researchers, Professor Dobrovolsky, are examining documents. Lenin's manuscripts in the archives of the museum. Buildings and premises of the Zemsky archive. Warsaw city. Ancient and modern buildings of the city. The building of the Council of Ministers of Poland. Bygdoszcz. Building and storage of the city library. Books from the library of V.I. Lenin. The act of transferring books to the Soviet government. Chronicle of the 30s. Warsaw city. Transport, pedestrian traffic. Adjuster. Area. General Staff building.