The film, which is about the Stockholm gasworks staying mostly at work on the so-called. chamber furnaces, where the gas is extracted from coal. It depicts both the process and some of the workers, who talk about how it is to work in the heat and dirt on the chamber ceiling. The extraction process as depicted in the film is abandoned since 1972
A young man recalls the memories of his deceased father by visiting the places where they went together.
Kalle, 14 years old, has lost his footing in reality when his family splits up. During an escape, he lives alone for a few days at the family's cottage where he studies nature and writes "The Tale of Lightning", a superman freed from problems.
