While walking along the tracks, a young man encounters a 96-year-old man who lives inside a tunnel and refuses to leave.

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 ...