C. F. C. Spirit

Marek and Žaneta suffer from several allergies and they are prescribed treatment in a sanatorium where they stay with other children. Part of the treatment is sleeping in the nearby caves, one of the last places with fresh air. The air elsewhere is polluted by freons and exhaust. The very first night, Marek and Žaneta are woken up by a speaking orange light. It shows them a place in the caves where spirits store their sprays which they steal by entire truckloads. CFC is actually their food. The next morning, the sanatorium is out of running water, the electricity and heating are off, and tiles are peeling off the walls. Žaneta senses that the catastrophe was caused by the CFC spirits. The psychologist Dindělová does not believe the girl's night experience. The two children meet a pleasant old man clad in an Austrian-Hungarian train-dispatcher's uniform who reportedly sold his last ticket in 1905. His name is Lorenc and he shows the children how he turns into the orange light. He also secretly introduces them to the evil spirits District Administrator, Chief Councillor and Mayor whose light is blue. Alive, they were Lorenc's contemporaries and big cheaters. Lorenc constantly wants to perform good deeds. He gives Žaneta a bouquet of a rare flower which was made extinct by acid rain years ago. He takes the two children to the time of his childhood on a train pulled by the locomotive Matylda. The kids fight the evil spirits with Lorenc's help. They destroy their CFC reserves and trap them in the remaining containers. Lorenc again invites the children - this time along with the director of the sanatorium - to the village of Květonice where the air full of oxygen destroys the spirits completely. Lorenc redeemed himself by the good deed and he can finally rest in peace. He promises the children to return as soon as the meadows are full of flowers and the forests are healthy.