1 plot. Construction of the Tsimlyansk hydroelectric complex and the Volga-Don shipping canal. 2 plot. Kalinin excavator plant. Processes of work in the mechanical and assembly shops. The finished excavator drives through the plant. 3 plot. Arrival at the Kaliningrad seaport of vessels fishing for herring in the Atlantic Ocean. Unloading the ship "Tungus". 4 plot. Views of Novgorod. Construction of new buildings in the city: schools, cinema. 5 plot. Palace of Pioneers in Kalinin. The director of the Palace of Pioneers talks with the pioneers. Schoolchildren are engaged in an aircraft modeling circle, in a young naturalist circle, and play in an orchestra of folk instruments.