The film tells about the Soviet-Mongolian space flight of pilots-cosmonauts VA Dzhanibekov (USSR) and Zh.Gurragchi (Mongolian People's Republic) on board the Soyuz-39 spacecraft and the Salyut-6 orbital station (March 1981). First part. Moscow Region, Star City. Meeting of cosmonauts V. A. Dzhanibekov and J. Gurragch in Star City after space flight. Cosmonauts and members of their families lay flowers at the monument to Yuri Gagarin. Press photographers take pictures of astronauts. Moscow city. Leonid Brezhnev welcomes the participants of the Soviet-Mongolian space flight in the Kremlin (sinhr.). Among those present: Secretary of the CPSU Central Committee B.N. Ponomarev, pilot-cosmonaut of the USSR, twice Hero of the Soviet Union, head of the Yuri Gagarin Cosmonaut Training Center G.T.Beregova. Leonid Brezhnev presents cosmonauts VA Dzhanibekov and J. Gurragche medals "Gold Star" and the Order of Lenin of Heroes of the Soviet Union. Moscow city. The building of the hotel "Russia". Transport movement on the embankment. The building of the Sheremetyevo-2 air terminal. Pilot-cosmonauts V.A. Dzhanibekov and Zh.Gurragcha climb the plane. Seeing off at the airport. Astronauts in the aircraft cabin looking at photographs. Zh.Gurragcha in the aircraft cabin gives interviews about the joint flight (synchronously, in Russian). Newsreel footage: members of the Mongolian delegation headed by D. Sukhe-Bator at a reception in the Kremlin (1921); the type of the Treaty between the government of Russia and Mongolia on the establishment of friendly relations; corps commander G.K. Zhukov and Marshal of the Mongolian People's Republic H. Choibalsan inspect the positions of Soviet troops in the area of the Khalkhin-Gol River (1939); fighting in the area of the river. Khalkhin-Gol (1939); Mongolian peasants greet a column of tractors made in the USSR (1950s). The USSR pilot-cosmonaut VA Dzhanibekov gives an interview in the aircraft cabin, in which he talks about the joint flight (synchronously). Moscow Region, Star City. Preparation of pilot-cosmonauts V. A. Dzhanibekov and J. Gurragchi for space flight at the Cosmonaut Training Center: physical training classes, medical examinations, theoretical studies, cosmonauts take exams in the classroom and in the simulator ship. Pilot-cosmonaut of the USSR A.A. Leonov among the members of the examination committee at the exam of cosmonauts. General Secretary of the Central Committee of the Mongolian People's Revolutionary Party Yuri Tsedenbal visits the Cosmonaut Training Center, accompanied by the USSR pilot-cosmonaut, head of the Cosmonaut Training Center G.T.Beregovoy. Y. Tsedenbal during the excursion talks with cosmonauts V. A. Dzhanibekov and J. Gurragcha. Astronauts on a walk with their wives and children are photographed in a park near a pond with a swan. Kazakhstan. The building of the Cosmonaut hotel at the Baikonur cosmodrome. Hotel room interior. Astronauts' autographs on the door in the hotel room. VA Dzhanibekov, J. Gurragcha and the backup cosmonauts are talking at the table. The rocket is in the hangar. VA Dzhanibekov, Zh.Gurragcha, their understudies read the wall newspaper "Apogee", which is dedicated to the Soviet-Mongolian flight. A rocket on a special platform moves to the launch pad. Doctors examine the astronauts before the flight. Cosmonauts V. A. Dzhanibekov and J. Gurragcha in space suits sit on the bus. Correspondents take pictures of astronauts. The bus is heading to the launch site. Rocket start. Antennas. Interview with J. Gurragchi, in which he talks about the importance of joint flight (synchronously in Russian). The second part of. View of the Salyut-6 orbital station in flight. Cosmonauts VA Dzhanibekov, Zh.Gurragcha, VV Kovalenok, VP Savinykh aboard the Salyut-6 orbital station. Kazakhstan. Astronauts' autographs on the door in the room of the Cosmonaut Hotel. V. A. Dzhanibekov and J. Gurragcha are sitting in chairs on the field during landing after the completion of the space flight. Kazakhstan. V., A. Dzhanibekov and J. Gurragcha plant a tree in the space park at the Baikonur cosmodrome. A plate with the inscription: “Planted by J. Gurragcha”. A tree planted by Yu.N. Gagarin. Mongolia, Ulan Bator. Meeting of astronauts in Ulan Bator. General Secretary of the Central Committee of the Mongolian People's Revolutionary Party Yuri Tsedenbal greets the cosmonauts. People at the airfield are greeting the astronauts. The cosmonauts bypass the greeters. Yuri Tsedenbal presents medals to the cosmonauts. View of Ulan Bator. Transport traffic on the city street. Bridge. The building of the Lenin Museum. The astronauts visit the museum. The painting depicting V. I. Lenin with the Mongolian delegation. Astronauts lay flowers at the eternal flame near the monument in honor of those who fought for freedom. Mongolia. Cosmonauts VA Dzhanibekov, Zh.Gurragcha, GT Beregovoy visit the battlefield on the Khalkhin-Gol river, inspect the trenches, a dugout at the command post of corps commander G.K. Zhukov. Mongolia, Erdenet. The streets of the town. Production buildings of the copper-molybdenum plant. Cosmonauts V. A. Dzhanibekov and J. Gurragcha visit the plant. Mongolia, the city of Darkhan. People on the street of the city. Fountain. The coat of arms of the city, made in metal. Yurts of nomadic pastoralists in the steppe. Herd of horses. Cosmonates V. A. Dzhanibekov and J. Gurragcha visit the nomads. Horse breeders give V.A. Dzhanibekov a foal. Boys are riding horses in the steppe. Mongolia, Ulan Bator. Pioneers on the square in Ulan Bator welcome the astronauts. Cosmonauts V. A. Dzhanibekov and J. Gurragcha, members of the MPR government on the podium.