Railway named after V. Kuibyshev. The driver is driving the train. Station Batraki. Works on sorting and repairing wagons. The machinist Ya. V. Smekhnov leads a heavy train with a military load. The path walker examines the rails. The repair crew misses the train. Tanks are loaded onto platforms. City Ufa. A meeting of workers in the capital of Bashkiria on the dispatch of a new armored train to the front. The commander of the armored train with the crew takes places. The armored train departs. Shots from the tower of an armored train, guns. Tank attack.