A film documentation of the International Children's Day. The film consists of five storylines: a commemoration of the German-Soviet war (1941-1945) with a speech by Hero of the Soviet Union Yurii Sahaidachnyi; statistical data on the Soviet system of preschool and school education; Children's Day events on Khortytsia Island with performances by children's and youth talent groups; children's leisure activities in the amusement park.