When a pearl in the collectionof the National Museum of Poznań, Claude Monet's "Beach in Pourville", disappears and Aunt Julki is falsely accused of the theft, two children must find the picture and identify the real thief.
| Directing | Marta Karwowska | Director |
| Writing | Marta Karwowska | Screenplay |
| Camera | Jakub Burakiewicz | Director of Photography |
| Sound | Jerzy Rogiewicz | Music |
| Production | Tomasz Morawski | Producer |
| Sound | Bartłomiej Bogacki | Sound |
| Sound | Michał Fojcik | Sound |
| Editing | Aleksandra Gowin | Editor |
| Writing | Marta Karwowska | Idea |
| Directing | Lena Jaworska | Assistant Director |
| Production | Alicja Grawon-Jaksik | Associate Producer |
| Sound | Barbara Wrońska | Songs |
| Sound | Natalia Przybysz | Songs |