Yakutia. June 21, 1975. The movement of trucks off-road. Forest uprooting, sawing and felling of trees. Komsomol youth brigade Bamovtsev at a halt. The girls are picking flowers. Celebrating the birthdays of girls - members of the brigade. Festive feast. Presentation of gifts. Singing with a guitar. The city of Yakutsk. Solemn farewell to young people at the BAM. Meeting. Baikal-Amur Mainline. Construction of the Nagornaya railway station. The village of builders. Post office. Score. Residents on the streets. The cook is preparing dinner, chopping wood. Power line construction. The movement of a rail-layer along a railway line. Multi-storey houses in the village. The movement of a column of cars along the highway. Road sign "Yakutsk ASSR. Aldan region". Scenery.