The plot tells about the cooperation of the Warsaw CRT plant "Polkolor" (Poland) and the "Tesla" plant in the city of Roznava in Czechoslovakia. Production processes in the shops of the Polkolor and Tesla factories. A kind of a shelter in one of the cities of Haiti; children sit in a flop. Type of land in Africa affected by drought. Locust infestation on the fields. Africans collect water in buckets. Climbers climb Mont Blanc in France. The plot is dedicated to the 175th anniversary of the birth of the Hungarian composer F. Liszt. Visitors visiting the exhibits in the F. Liszt House-Museum in the composer's homeland - Burgenland in Austria.