The city of Leningrad: the Neva River, Peter and Paul Fortress, Nevsky Prospect, public transport. Workshops of the Research and Production Association "Electrosila". Installation of the stator, processing of the rotor on the machine. Laying the winding into the rotor. Tests of the turbine generator. The controller records the device data. Chief designer of turbine generators G. M. Khutoretskiy and chief designer of hydro generators A. A. Dukshtau talk (synchronously) about the merits of the products of the Association "Electrosila". Installation of an engine for a nuclear icebreaker, testing of alternating current machines in the union workshop. Workers work on a conveyor belt. The nuclear-powered icebreaker "Siberia" cuts through the ice. The generators of the Electrosila Association operate at the Kostroma, Krasnoyarsk, Sayano-Shushenskaya, Charvakskaya hydroelectric power plants.