A film about the fifth World Festival of Youth and Students in Warsaw. Opening of the festival at the Warsaw Stadium; speakers are the Chairman of the Council of Ministers of the Polish People's Republic Y. Cyrankiewicz (synchronously) and the Chairman of the International Festival Committee B. Bernini (synchronously); festive procession of the festival participants. Meetings, concert and sports performances of the festival participants. Festival delegates work on the construction of the school named after the Fifth Festival in Warsaw, plant trees in the park, visit the former Auschwitz concentration camp and the house-museum of the composer F. Chopin. Closing ceremony of the festival; B. Bernini is speaking (synchronously). Farewell carnival of the festival. Fireworks.