Dudinka city; a reindeer team and cars with pipes are passing along the street; unloading pipes at the construction site of the gas pipeline route. A tractor cuts ice on the Yenisei River. Diver A. Ostashenko descends into an ice-hole to examine the bottom of the Yenisei River. Laying gas pipelines along the river bottom. Literature lesson in one of the Moscow schools. Students write an essay on the topic "My mother". The plot is about the mother of the student Sasha Zelenin, flight attendant Lyudmila Sergeevna. Lyudmila Sergeevna teaches a flight attendant lesson in the aircraft cabin, buys stamps at a kiosk in the city of Sochi. Sasha Zelenin and his father are examining the stamps brought by Lyudmila Sergeevna from the cities of Tbilisi, Norilsk, Tashkent. The Zelenin family at VDNKh. The building of the Gorky Moscow Art Academic Theater. Spectators in the theater hall. Photos of actors, scenes from the play "The Flood". The narration text provides information about VI Lenin's attendance at the Moscow Art Theater performances.