A film about the features of the technology of production of motor ships. The Moskovsky and Zarya motor ships sail along the Moskva River. Passengers in the cabin of the ship. The motor ship docks to the shore, passengers go ashore. Assembling ships on the stocks of the Moscow shipyard. Workers assemble the control panel, lower the engine into the hold of the ship. Launching the vessel into the water. The workers are applauding.