1syuzh. - USA. Ohio miners' strike: rallies, strikers' march, miners' wives and children in prison. 2syuzh. - Eastern Siberia. Lake Baikal. R. Angara: rapids of the river. Survey work before the construction of the hydroelectric power station. Hydrometric station. 3syuzh. - Moscow. Transfer of 30 vehicles for the Red Army to Avtodorom1: a convoy of trucks on Red Square, Red Army men, tankmen in the ranks; the column passes through Red Square. 4syuzh. - Moscow. Writers and drummers in the crowd: passengers on the deck of the ship, poet VA Lugovskoy reads poetry; members of the crowd in the village. Kolomenskoye. L. N. Seifulina is speaking; members of the crowd dance, play volleyball. Among the dancing playwright V. M. Kirshon.