The sleepy little town Valleby is getting ready for the cafe owners Dino Panini's and Sara Bernard's wedding, and our popular young detectives Lasse and Maja stand ready to ensure that nothing will go wrong. But when the wedding couple's respective relatives arrive, they prove to belong to rival mafia families.
Unfortunately the movie JerryMaja's Detective Agency – Stella Nostra is not yet available on HBO Max.
| Writing | Malin Nevander | Screenplay |
| Directing | Pontus Klänge | Director |
| Directing | Walter Söderlund | Director |
| Costume & Make-Up | My Ek | Assistant Makeup Artist |
| Camera | Mats Olofson | Director of Photography |
| Editing | Thomas Lagerman | Editor |
| Production | Sara Törnkvist | Casting |
| Sound | Jean-Paul Wall | Original Music Composer |
| Editing | Mattias Morheden | Editor |
| Production | Johanna Bergenstråhle | Producer |
| Production | Moa Westeson | Producer |
| Writing | Martin Widmark | Characters |
| Sound | Aleksander Karshikoff | Sound Editor |
| Costume & Make-Up | Sari Nuttunen | Makeup Artist |
| Production | Charlotta Denward | Executive Producer |
