The bridegroom Jan Kaspar is an officer in the Klement Gottwald's Nová Hut rolling-mill. After bidding farewell to his freedom, he accidentally takes a sip from the bottle of tetrachlore which he stores at home. He disregards the dizziness, but the next day, he faints in the factory and has a brain concussion. During her regular tests, doctor Dudková is shocked by a high percentage of residual nitrogen found in Kaspar's blood. Doctor Bohácek, with whom Dudková consults, thinks that it is a liver disease and informs the head physician Filip. The doctors know nothing about tetrachlore and are in the dark about the case. Despite that, they immediately start to fight for Kaspar's life and their struggle consequently affects their personal lives.

A successful scientist dares to openly and forcefully criticize the unproductive activities of the institute in which he works. He draws attention to outdated procedures and also to the fact that scientific work must not fall into the abyss of mediocrity and everyday grayness, so typical of the entire society. Will his career withstand this situation?

The 11-year old Jakub is living in a children's home, when he is picked up by his father. The father has been "away" for four years, the boys mother doesn't want the child. Jakub gradually finds out, that his father is hiding a secret from him. But they gradually manage to build a warm relationship and a promising new life in the city.

Two brothers head to Russia to help a group of priests smuggle $200 million worth of sacred relics out of the country in order to keep them out of the hands of neo-Nazis.