Oskar and Detective Bruno are about to embark on another fascinating journey full of puzzles and surprising twists. This time the adventure of our detective team will be even more captivating, as they will be on the trail of the real treasure of the Baltic Sea!
| Directing | Magdalena Nieć | Director |
| Directing | Mariusz Palej | Director |
| Writing | Ewa Rozenbajgier | Writer |
| Camera | Rafał Paradowski | Director of Photography |
| Production | Joanna Szymańska | Producer |
| Production | Krystyna Kantor | Producer |
| Production | Alicja Jagodzińska-Kałkus | Production Manager |
| Art | Katarzyna Filimoniuk | Production Design |
| Costume & Make-Up | Dzvinka Kukul | Costume Design |
| Costume & Make-Up | Aneta Brzozowska | Makeup Artist |
| Sound | Daniel Sikorski | Sound |
| Editing | Tomasz Kolak | Editor |