Miss Nováková reports to Major Tuma (Karel Höger) from the police about the disappearance of her roommate, the model Zuzana. Shortly afterwards, a film director named Konrád (Otomar Krejca) asks Tuma to cooperate on a new cinéma-vérité film describing the story of Zuzana's disappearance.

“A bored housewife, a husband who married her for show, and a stupid boy who is full of himself because he is dating a Swiss woman.” The words of Inspector Tůma sound like they’re from a European melodrama, but in fact they come from a Czechoslovak crime story. A pair of detectives, counterfeit medicine, the high-society setting of a Karlovy Vary hotel, and Oldřich Nový as the aging hotel manager Kraus.

Jean-Paul is a Frenchman who yearns to live in communist Czechoslovakia. His wish is granted when, mistaken as a masseur of a French boating team, he manages to elude the democratic authorities long enough to scamper over the Czech border.