The film tells about the work of the St. Petersburg Post Office, about the meaning of letters for a person. Part I Cadets of the St. Petersburg University of the State Fire Service of the EMERCOM of Russia write letters in the barracks, informing them about their studies and events in their lives. Chairman of the Council of Veterans of the Red Banner Engineering and Chemical Regiment, a war veteran and participant in the defense of Leningrad G.V. Yurkin recalls (off-screen) how the Central Post Office building was saved during the war. Communication with the "mainland" went through the post office. Elderly women write letters in the house of war veterans # 2. In the orphanage # 26, children write letters to their relatives, going to a country camp. The blessed girl writes letters to the whole world. Behind the scenes, the voices of the heroes are heard with quotes from letters. There is a St. Petersburg Post Office (Pochtamtskaya Street, 9). A bag of correspondence is being carried through the operating room, visitors are writing something on sheets of paper, postal workers are working, a security guard recites (sync. And off-screen) a poem and immediately writes it down. State Hermitage. In the former Sretenskaya Church of the Winter Palace, in the laboratory for the scientific restoration of easel painting, the restorer E.N. Gerasimov cleans up a painting by the French artist Hubert Robert (18th century) and tells (sinhr.) About the church building where they work. Restorer V. Shatsky is working on the painting by Titian Vecellio "Flight into Egypt" (1508). Historical city buildings: the dome of St. Isaac's Cathedral (1858, architect O. Montferrand); entrance to the New Hermitage with sculptures of the Atlanteans (1848, sk. A.I. Terebenev) on Millionnaya Street. Fragments of letters from Tsarevich Nicholas to Alice of Gesse, a letter from the Chief Prosecutor of the Holy Synod and member of the State Council K. Pobedonostsev are heard behind the scenes. Train Station; platform, tracks, locomotive movement. Part II Agatha and Lyubov Smorodin, Andrey, Anna and Fyodor Antonichev and others drink tea in the communal kitchen. Agatha and Lyubov Smorodin read aloud (sync. And behind the scenes) a diary at the table, collect things before moving to a new apartment. Lyubov Smorodina puts together papier-mache items from the deceased Sergei Smorodin and tells (sync. And off-screen) the blessed girl that Sergei made papier-mache from his manuscripts. The blessed girl looks at the city from the bell tower of the church in the name of the Holy Great Martyr Catherine. Behind the scenes, quotes from her letters addressed to all people are heard. Poet P.L. Brandt walks along the embankment of the Griboyedov Canal past the bell tower of the Nikolo-Epiphany Naval Cathedral (1759, architect SI Chevakinsky), located on the bank of the Kryukov Canal. Makes a sketch of the facade of the house, reads (off-screen) a fragment of his poem "Mongol". In the distance St. Isidor's Church (1907, architect AA Poleshchuk) at the Mogilev Bridge. Fragments of letters from Princess Tatiana are heard off-screen. Grandmothers are sitting outside the building of the [veterans'] house. The postal clerk gets the correspondence from the mailbox. The car "Russian Post" is going by. Fragments of letters from M.N. Tolstoy Restorer A.G. Rakhman is restoring a painting in the laboratory for the scientific restoration of easel painting at the State Hermitage and tells (sinhr.) About his life. The Neva river with a sailboat, boats, a tug. From the window of the bell tower of the Peter and Paul Cathedral one can see the fortress buildings, including the Mint. The restorer's daughter Eric Rahman works as a sorter at the St. Petersburg Post Office. She talks (sync. And behind the scenes) about her father, parses letters. Loaders are working in the courtyard of the post office, the head of the section, E. Zinkina, is throwing a box with mail. Part III Elderly residents of the house of war veterans No. 2 write letters, look after plantings in the yard. Fragments of letters from the artist F.G. Ranevskaya, D. Rodendorf. Postal clerks sort the parcels on a conveyor belt, a worker lays out correspondence on a conveyor belt, people with carts are moving in the courtyard, a sorter E. Rahman carries boxes. Outlines of buildings at night. At dawn, the sprinkler washes the street; monument to Nicholas I on St. Isaac's Square, the building of the Astoria hotel on Bolshaya Morskaya street, embankment of the river Sinks, buildings of the Peter and Paul Fortress. Lullaby sounds off-screen. Street clock. The post office is working. Sorter Larisa tells (sinhr.) About an unusual incident during work. In the operating room, the children [of the priest] write congratulations on the Easter holiday, sing (sync.) With their parents the song "Christ is Risen". A worker carries a sack of letters through the hall, walks past a historic granite milestone with the number "0" (zero mile). Passenger train "St. Petersburg-Vladivostok".