A special issue of the newsreel about the twin cities of Kuibyshev (USSR) and Stara Zagora (Bulgaria). A delegation from Bulgaria at the Volga Automobile Plant. Tour of the Starozagorsk Drama Theater in Kuibyshev. A fragment of the play based on Gorky's play "The Zykovs". Farewell evening of the Bulgarian delegation. Bulgaria. Stara Zagora town. Solemn meeting of the delegation from Kuibyshev. A holiday of education, culture, Slavic writing and printing. Opening of the monumental monument of the Samara banner. Signing of the Treaty on Commonwealth and Socialist Competition. Visit to the sewing factory "Nalia", the society "Knowledge". Presentation of awards to the artist R. Baranov for the painting "Liberation". Visit to the Mausoleum of G. Dimitrov. Members of the delegation in Plovdiv. Views of Plovdiv from the bus.