A lesson in a Vietnamese school. Students of the Higher Technical Institute go to classes, the defense of the diploma in the assembly hall of the Institute. Signing of the deed of transfer of the institute built by the USSR. Newsreel: a pit filled with skeletons of victims of the Pol Pot regime. GV Konakov, a Soviet teacher at a technical institute, is speaking. Students watch the class schedule, listen to lectures, learn a foreign language. Students receive rice. Classes of students-geodesists. Heng Samrin speaking. Build pioneers. An orchestra of national instruments is playing. Art school students inspect the frescoes in the Royal Palace in Phnom Penh. Classes at the school of fine arts: a young man is engaged in carving. Dancers rehearsal. Angokorvat Temple is a 12th century sanctuary. Cooking Cambodian national dishes. Vietnamese students of Peoples' Friendship University celebrate New Year. University named after P. Lumumba: classes at the medical, agricultural faculties. Vietnam: Women harvest rice in a field. Street traffic in Phnom Penh. The doctor sees patients. Kampuchean and Soviet doctors are examining the picture. Russian and Cambodian students walk around Leningrad. Evening Phnom Penh.