School supply teacher timid folk art Ales Brabec won first prize at a music festival and will therefore offer to work for the Prague little theater in the basement. Its director Soukup just needs a few songs for the upcoming musical, and so is willing to do everything to Alex to create the right atmosphere for composing.

Lieutenant VB, disguised as a laborer, is looking for a young woman killer among the staff of a wheel loader. But which of the possible motives found is the right one?

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.

Kastl is a hairdresser but his real passion is his second job as football referee. This job takes all his free time and makes his wife very nervous.