The film uses footage of the chronicle, depicting V. I. Lenin, the construction of objects of the first five-year plans, the work of industrial enterprises in the 70s, the construction of objects of the petrochemical industry, recreation of children in the pioneer camp "Artek". View of the first nuclear reactor. Meeting of scientists at one of the international symposia. Leonid Brezhnev's speech at one of the events. Types of Ulyanovsk. Construction of the Baikal-Amur Mainline.