The film is dedicated to the 50th anniversary of the formation of the pioneer organization in the USSR. Pioneer KVN (club of the cheerful and resourceful), the pioneer leader asks questions about the history of the pioneer organization, the participants in the competition answer. Discussion of Andrey Korobkov's work at a meeting of the squad council in the 61st Moscow boarding school. Korobkov prepares the guys for the show. Newsreel - pioneer parade on Red Square (1922); pioneers take the oath of office in Red Square; Felix Cohn speaks; pioneers help street children; demonstrations of pioneers: "for literacy", "against the drunkenness of the fathers", "against private trade." Pioneers in math and chemistry lessons at school. Pioneers launch aircraft models. Newsreel - pioneers clean up firewood, bread, garbage, pioneers during the Great Patriotic War. Correspondence of members of the international friendship club. Friendship evening of pioneers. Pioneers on vacation in the camps "Artek", "Morskoy"; rewarding the pioneer organization with the Order of Lenin.