The heroes of this absurd comedy, full of confusion and humor are Dzharda Zemanek and Frantisek Liska.

Children from the village Bystrá are awaiting a nice and thrilling weekend. On Saturday they will play the championship football match with the nonresident boys from the village Skuhrov, on Sunday there will be the funfair with merry-go-round, swings and stalls with dainties. The members of the family of the merry-go-round man are brother and sister Janek and Zaneta Mareks whom the children have known since the last year. At that time Zaneta made friends with girls and Janek, an excellent football player, has been a welcome support of the football club.

The main characters are a young psychologist Doubravka and a village youth, Honza Macháček. He is a tractor driver who temporarily lost his driver's license in a crazy bet, so he now herds a cooperative herd of cows, she is at the cottage with her boy Boba, who is not very successful in studying medicine and is currently preparing for his remedial exams. Honza's immediacy, optimism and approach to life and work contrast sharply with the selfish, weak-willed and unbalanced Boba, and Doubravka increasingly realizes that her feelings for Boba have disappeared and that she actually loves Honza. The question is how her somewhat conservative family will view such a game.

The little mermaid rescues a prince from drowning and falls in love with him. To be with him, she makes a deal with the evil sorceress: her beautiful voice against a life on land.

Honza Pavelka (Jan Hrusínský) wins the junior motorbike speed races. His thirteen-year-old brother Martin (Roman Cada), his assistant and biggest fan, answers the questions of his schoolfriend Pavlína in a superior tone. Student Zuzana (Libuse Safránková), who gave her scarf to Honza to wear around his neck for the races as a talisman is Honza's girlfriend. He met her when he came to her parent's home to repair the TV set. Honza declines an invitation to celebration with his friends. He goes off with Zuzana instead, but she refuses his intimate advances. The offended young man, who is about to serve his two years in the army, tries to blackmail her emotionally and the couple breaks up. Martin tries various schemes to bring them together again.