The film tells about hydroelectric power plants in Georgia and about the environmental problems that have arisen with the development of hydropower. 1st part. Newsreel footage stored in the Central State Archive of Film and Photo Documents of the Georgian USSR: construction of the Zemo-Avchar hydroelectric power station (1920s); installation of metal structures at the construction site of the Temple of Hydroelectric Power Station (1950s); construction of the dam of the Inguri hydroelectric power station; a meeting of the builders of the Inguri hydroelectric power station on the day of its opening; newspaper articles dedicated to the opening of the hydroelectric power station. A cascade of hydroelectric power plants in the mountains. Explosions in the mountains. Gumatskaya HPP. Inguri hydroelectric power station. Cleaning the construction site from the roots of trees with a bulldozer. Wooded mountain slopes. Farmers are plowing land plots located on a mountain slope. Reservoir. Workers remove rubbish at the hydroelectric construction of the reservoir at the Lajanuri HPP. The head of the Poti coastal laboratory V. V. Rakitin gives an interview in which he speaks about the destruction of the sea coast due to the construction of a dam (sinhr.). Reconstruction works: construction equipment, heaps of stones on the shore; the dredger is working; loading of soil onto cargo ships. Scientists give interviews in which they talk about the development of hydropower, about environmental issues (sync.). 2nd part. Mountain rivers. A herd of cows in the meadow. Explosion in the mountains. Cleaning the site from the roots of trees and bushes in the mountains using a bulldozer. Reservoir in a mountain valley. A crumbling mountain slope. Cancel at the reservoir. The destroyed bank of the reservoir. Mountain village. Local residents plow the land on the mountainside. Snow-capped mountain peaks. Ruins of an old settlement on the bank of the reservoir. Residents of a mountain village perform a religious ceremony near a dilapidated temple. Candles are burning near the wall of the temple, near a bread cake. Fragment of the painting of the destroyed temple. An elderly woman is baptized near the wall of the temple. Explosion in the mountains. On the mountain there is a banner with the inscription: "Inguri! We will conquer you!" and the image of the Komsomol badge. Power line. Dried trees on the mountainside. Construction of a hydroelectric power station in the mountains. Dilapidated houses of a mountain settlement. Ruins of stone houses. Gravestones on the banks of the reservoir. Fragments of a stone cut in a destroyed temple. Bells of the ruined temple. Tombstone in the water.