Film about the stay of the delegation of the National Congress of the United Mexican States, headed by A. W. Whitron. Moscow city. Solemn meeting and seeing off at the Sheremetyevo-2 airport. Receptions at the Supreme Soviet of the USSR. Present: V. V. Kuznetsov, A. P. Shitikov, M. P. Georgadze, A. U. Uitron, H. G. Marquez, R. I. Chacon, J. W. Cortes, M. del Carmen de Marquez Romero Aceves, R. Duarte Corral, H. M. Elizondo, Mexican Ambassador to the USSR A. K. Flores and others. Sightseeing of the Kremlin. Laying flowers at the tomb of the Unknown Soldier and the Lenin Mausoleum. Honor guard at the Tomb of the Unknown Soldier. Newlyweds lay flowers. Visit to VDNKh. Types of Moscow: Hotel Russia, Sverdlov Square, Bolshoi Theater, summer cafe on Kalininsky Prospekt, passers-by on the streets. Delegation of Mexico in Georgia. Meeting at the airport in Tbilisi. City sightseeing. Reception at the Supreme Soviet of Georgia. P. G. Gilashvili is present. Visiting VDNKh Georgia, a metallurgical plant in the city of Rustavi, one of the collective farms. Harvesting tea. Vineyards. The villagers are of different sex and age. Delegation in Sochi. Visit to one of the sanatoriums, the Botanical Garden. City views. Vacationers on the beach. Delegation in Leningrad. Visit to Smolny, the cruiser "Aurora" of the Piskarevsky cemetery, the Hermitage, Peterhof. Chronicle footage dedicated to the visit to the USSR of Mexican President Jose Lopez Portillo in 1978. Leonid Brezhnev and Andrei Gromyko are present. Mexico. Landscapes. Peasants are working in the field. Mexicans of different genders and ages at their homes. Streets of Mexico City.