The city of Murmansk. Transportation of building materials by trucks, dump trucks. Delivery of mail, bread on specialized machines. The movement of passenger buses. Loading and unloading operations in the Murmansk seaport. The hero of the film, an inspector of the Murmansk State Automobile Inspection, regulates the movement of city transport, conducts theoretical and practical lessons on a car model with cadets of the Murmansk club.