A film about the indigenous inhabitants of Siberia and the people who came and remained to live in Siberia. Geologist N. N. Urvantsev, one of the discoverers of the Norilsk ore region, in a geological expedition, passes through the streets of Norilsk, sits by a stream in the taiga. Hunters from a Siberian village are unloading reindeer teams with fur. Hunter Luka Ivanovich, who lives in the taiga, feeds forest birds, catches a bear, knits a net for fishing. The surgeon flies on the plane to the patient; does the operation. Kyzyl is the capital of the Tuva Autonomous Republic. Monument with the inscription "Center of Asia"; skiers in the mountains, near the city. The electric locomotive driver Martsipovsky is driving the train. Scientists, researchers of Akademgorodok near Novosibirsk at work in laboratories; among them is the 29-year-old doctor of physical and mathematical sciences Sasha Skrinsky. Akademgorodok, streets, beach, theater, cafes, shops, hotel. A pop orchestra is playing, young people are dancing. House-Museum of V.I. Lenin in the village of Shushenskoye. Refrigerators are passing along the road. Wedding; travel of the bride and groom on a troika of horses. The accordion player is playing, the guests are singing a song. Alexey Marchuk is a builder of the Bratsk hydroelectric power station who came to Siberia from Moscow. A. Marchuk with his family during his dissertation defense; water skiing. Diamond mining in Yakutia. Assembly shop of the aircraft plant. The steamer sails on Lake Baikal. Fishermen are fishing in the lake.