Special issue about the Bryansk Machine-building Plant. Dynasties at the factory.
A new locomotive leaves the shop gates.
Lenya Kamasin rides on the locomotive, drives past the old buildings of the plant, past the first steam locomotive produced at the plant in 1899.
Workers are on shift.
Leni Kamasin's father Arkady Grigoryevich Kamasin teaches his son the profession.
The eldest son helps his father.
Kamasin's sons at the drawing board.
Anatoly Ilyich Tretyakov, the head of another dynasty, together with his sons Nikolai and Vladimir, collects his hundredth diesel.
Old photos of factory workers.
A girl rides on a loader on the territory of the plant.
Young workers work on machines in the shop.
Turners of the highest category, friends V.S. Shcherbakov and V.S. Anisimov work in one brigade.
Worker Nikolai Doshurin grinds the knee shaft, which then goes to the fitter-assembler Evgeny Meer.
The knee shaft is mounted on the frame and the diesel assembly begins.
Meer and Doshurin discuss their work.
Disabled Anatoly Usok at home with members of the brigade.
Assembly of the largest marine diesel engine in the country.
Representatives of the fleet are testing diesel.
Locations: Bryansk region 
Bryansk Machine - building Plant