Bayaya, a young peasant, protected by the spirit of his dead mother, arrives at the castle of the King, where he entertains his three daughters. He soon realizes that the three princesses are nagged by evil spirits. The little peasant manages to rid them of them, fights a duel with a wicked lord who wanted to marry one of the three princesses. He finally wins the heart of the youngest sister while saving the soul of his mother who was in purgatory.
| Directing | Jiří Trnka | Director |
| Writing | František Braun | Screenplay |
| Writing | Josef Novák | Screenplay |
| Writing | Karel Sobotka | Screenplay |
| Writing | Jiří Trnka | Screenplay |
| Crew | Vítězslav Nezval | Poem |
| Visual Effects | Stanislav Látal | Animation |
| Production | Bohumír Buriánek | Production Manager |
| Visual Effects | František Braun | Animation |
| Art | Jiří Trnka | Art Direction |
| Editing | Milena Neubauerová | Assistant Editor |
| Camera | Emanuel Franek | Director of Photography |
| Sound | Jan Kühn | Conductor |
| Sound | Josef Zavadil | Sound |
| Visual Effects | Bohuslav Šrámek | Animation |
| Visual Effects | Zdeněk Hrabě | Animation |
| Camera | Ludvík Hájek | Director of Photography |
| Visual Effects | Jan Karpaš | Animation |
| Sound | Otakar Pařík | Conductor |
| Writing | Božena Němcová | Original Story |
| Editing | Helena Lebdušková | Editor |
| Visual Effects | Břetislav Pojar | Animation |
| Production | Vladimír Janovský | Assistant Production Manager |
| Sound | Václav Trojan | Original Music Composer |
