The film tells about how the world's largest gene pool of cultivated plants and their wild relatives was created in our country, about how closely the fate of humans and plants is connected. Newsreel. Photos by N. I. Vavilov. Harvesting wheat in the fields of one of the farms of the Kuban Territory. The story of Academician VASKHNIL (All-Union Academy of Agricultural Sciences) S.M.Bukasov about an expedition to Central and South America. Expedition map. Fields of potatoes, sunflower. Personnel of the besieged city of Leningrad. Memories of Doctor of Agricultural Sciences V.S.Lekhnovich. The city of Leningrad. Institute of Plant Industry named after N.I. Vavilov. The story of the director of the institute V.F.Dorofeev (synchronously). Scientists in laboratories are monitoring wheat grains. Krasnodar region. National Agricultural Gene Bank Building. The employees grow various types of crops. Type of underground storage. There are various seeds on the shelves in glass jars.