The city of Leningrad. The old Bolshevik RL Fedotova talks about her life, family, son Leo, who died during the Great Patriotic War (synchronously). Drawings, paintings by L. Fedotov. Photos of members of the Fedotov family. Saint Isaac's Cathedral. Foucault's pendulum is swinging. The film is illustrated with film documents and film materials of the Central State Archive of Film and Photo Documents of the USSR (RGAKFD), Gosfilmofond for different years, dedicated to various historical events. Including: footage of the chronicle of military and physical education parades, demonstrations, the building and auditorium of the Bolshoi Theater, views of the cities of Paris, New York, dispersal of the demonstration by the police (USA), New Year's Eve (USSR), footage of the chronicle of the Second World War, with participation of V.M. Molotov, A. Hitler. Fragments of the feature film "The Oppenheim Family".