Cyril Dadák (Václav Postránecký), a TV reporter falls in love at first sight with a young engineer Milena (Jaroslava Obermaierová) while he makes a reportage in a chemical factory. Milena has been dating for several years with a test driver Pavel (Rudolf Jelínek), however when she meets Cyril she feels that he might be the Mr Right. She accepts Cyril's invitation for a date and she spends a night with him. In the morning she finds in her flat Pavel. She wants to explain to him everything but Pavel makes coffee with a smile and gives her back the keys from the flat.
The car thief Halama, the shy groom Poupě, the divorcing jealous Pic and the mustachioed cinema projectionist Vlk are suspected of robbing the cinema box office. They are so similar, however, that the sharp-witted Public Security investigator Doll doesn't know them at all...
