The film tells about the history of the origin of Soviet-Afghan relations. The conscripts say goodbye to their relatives before leaving to serve in the army. Border guards take the oath. Newsreel of the 1920s: a suburb of Kabul; Afghan warriors; the emir of Afghanistan Amanullah Khan in front of the people, meeting him at the Belorussky railway station in Moscow in 1928; among the greeters: MI Kalinin, representatives of Soviet Muslims; Amanullah Khan in Moscow on Red Square during the parade of soldiers of the Red Army; with M. I. Kalinin and K. E. Voroshilov. View of the dismantled tracks, workers repairing the road, a steam locomotive leaving the depot. Texts of letters of Amanullah Khan and V.I.Lenin. Photos of V. I. Lenin, M. I. Kalinin. The painting "Reception by Lenin of the Afghan diplomatic delegation". The oldest Russian aviator I. G. Chuchin, who accompanied a special-purpose caravan to Kabul in 1921, with the Kaluga artist A. I. Kotelnikov. Photos by I. G. Chuchin. Artist A. I. Kotelnikov with Afghan students in his studio. Students in the classroom. Views: Red Square, Belorussky railway station in Moscow; a monument to Lenin at Smolny, Nevsky Prospekt in Leningrad, a mosque.