A railway fairy tale about how the devil fell in love with Bětuška and the machines... The young devil Fadrius is supposed to pass the diploma exam at the hellish university by gaining a soul on the ground of hell according to the questionnaire he received. So he sets off for his destination - the village of Dražice in Bohemia. He tries to get the soul of the old woman Kolejačka and the track master Doubek. But he falls in love with his daughter Bětuška. But Doubek does not want to give her to him...

After returning home from the army, Vasek (Ladislav Potmesil) has married Bozka (Eva Trejtnarová) and the couple now live at her parents' house. Vasek is unhappy both with his work and with sharing the house with Bozka's parents. He and his friend Ruda (Oldrich Vlach) decide to take a temporary job in Ostrava for a year. Bozka is against this, but Vasek gets his way. Mining is hard work but Vasek gradually adapts to it. He gets homesick from time to time and wants to go back, but his pride always wins out. Once he really does travel back to see Bozka, but he doesn't find her at home.

Oldřich Daňek's play tells a love story from our ancient times about the beautiful convent inmate Jitka and the brave Břetislav, the son of the Bohemian prince Oldřich and the simple laundress Božena. This witty apocryphal uses semi-historical, semi-legendary material in a modern way.