African student Omar would like to return home to Angola, but he is enrolled in a three-year postgraduate research fellowship at a clinic in Prague. One day while seeing off a friend at the airport, he and a girl named Mariama are brought together by chance as he offers to accompany her in an unfamiliar city toward the International Student Club, where she plays bass in a jazz orchestra.

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 simple love story takes place in a luxurious hotel in Karlovy Vary, the hero of which is a shy young man who works in the elevator. He catches a glimpse of an exotic beauty from South America and, with little knowledge of foreign languages, assumes that she also reciprocates his feelings...