Second half of the 19th century. In a small town in South Bohemia, fifth-former Jan Ratkin is living through the confusions of first love together with his classmates.
Innovator Ludvík Zach is in love with his technical data and improvement proposals and does not believe that women could be able to understand these problems. However, on his way back from a conference, he meets Jarmila, an electromechanic, and arranges a meeting with her. He would prefer to talk to her about technology, but he discovers that Jarmila is more interested in poetry and music...
It happened during the reign of King Vladislav Jagiellon: the rebellious knight Dalibor is sentenced to death. An attempt to free him fails. This underappreciated transcription of Smetana's opera surprises with its fresh originality, even compared to much later attempts to translate musical-dramatic works to the screen.
