The city of Divnogorsk in the Krasnoyarsk Territory; people are walking along the streets, buses are passing by. Schoolchildren in the classroom. Construction of the Krasnoyarsk hydroelectric power station on the Yenisei River. Latvia. Ships, cranes in the port of Ventspils. Monument to those killed at sea. Return to the port of the fishing trawler of the collective farm "Sarkana Baka". Trawler mechanic I. Kapbergs after returning from fishing with his family at the celebration of his birthday. The city of Leningrad. International festival of pop songs "Friendship". Hungarian singer D. Korda sings a song by the Soviet composer A. Kolker. Composer A. Kolker plays the piano, speaks to students of the Leningrad Electrotechnical Institute. Singer M. Pakhomenko sings.