The Prague Research Institute of Air Engineering is to prepare a proposal to reduce dust in Ostrava, especially in the area where the new power plant is to be built. That is why engineers Vojtěch Spára and Jiří Zástěra will travel to Ostrava. Eva Frágnerová, a hygienist, will strongly oppose the power plant project near the housing estate.

The employees of the furniture company MARS welcome a rare visitor with hired music. Their boast that they would put together an orchestra is taken seriously, so they receive a small gift - musical instruments for thirty musicians.

Young script-writer Frantisek (Petr Cepek) is hired to write a film script based on the successful novel Looking Back. He meets with the novel's female author, a University professor and writer named Olga Machová (Jirina Trebická), approximately ten-years-older than him. In the beginning, they do not understand each other at all. Frantisek is a skeptic experiencing a moral crisis, unsatisfied with both his work and his private life - he lives separated from his wife and has no deeper feelings for his numerous lovers. He even gets drunk from time to time and breaks the public peace. Olga is lonesome, too, but considers her life fulfilled.

American agents hijack a plane on the Ostrava-Prague route to launch a campaign against the People's Democratic Czechoslovakia. The plane lands in West Germany, but the Americans have an unexpected problem convincing the hijackers to stay in the West. Based on a true story.

Mr. Angel goes winter sporting and at the same time investigates his son's fiancee.

A drama set in the Vítkovice Ironworks at the end of the occupation. It depicts the struggle of Ostrava steelworkers to save the blast furnaces, which the retreating Nazis want to blow up.

The story of a gypsy named Fabian, who came to work in Kunčice, and his son. Their lives change fundamentally on the great construction site of socialism. They both learn to read and write; Fabian becomes a skilled welder, and little Fabian is accepted into the pioneer organization. However, their transformation is not easy, it is not without many encounters, just like the transformation of Fabian's co-workers, many of whom have not yet overcome their racist prejudices.