The plot tells about a test campaign of new wheeled-ski snowmobiles in the north of the Tyumen region, organized by the Central Committee of the USSR DOSAAF. View of Vorkuta. Snowmobiles and an all-terrain vehicle are moving in the snow. Participants in the hike repair the snowmobile during the stop. Rally dedicated to the end of the snowmobile trip. Chairman of the Central Committee of the RSFSR DOSAAF G. M. Egorov talks with participants in the campaign; awards them with diplomas of the Central Committee of DOSAAF. The plot is dedicated to the Hero of the Soviet Union, a participant in the battles in Afghanistan A. Soluyanov. A. Soluyanov with his wife and son walking down the street in Moscow; talks about himself (synchronously); talks with participants in the Komsomolskaya Pravda propaganda train, speaks to the builders of the Nurengri-Yakutsk railway in Yakutia. Cadet of the Frunze Academy A. Soluyanov parachute jumping during military exercises. Pupils of the school of ship modeling operate the models of ships in the pool using the control panel. Moments of high-speed races of ship modelers in Krylatskoye.