Syrdarya river. The Kyzylkum Desert in the southern part of Kazakhstan. The old fortress Chardara. Varan, a snake on the desert dunes. Female surveyors of the Leningrad Survey Party are working in the desert. Meeting of the Chardarstroy headquarters (August 1958). Construction of the Chardara hydroelectric power station and the Chardara reservoir in the system of the Syrdarya cascade of power plants. Waterworks plans; the future sea. Construction equipment in the process of work on construction: tractors, hydro monitors, scrapers, excavators, dump trucks, bulldozers, dredgers, tower cranes. Concrete laying. Pit. Supports for high voltage lines. Electrical substation. Meeting of construction managers. The village of builders. The boat with children goes along the river. Vacationers on the bank of the river on a day off: fishing, cooking fish soup by the fire.