The story is about a boy named Kalle Blomkvist who with his friends solves crimes. But also play the battle between the red rose and the white rose with his rival friends. But everything changes when Kalle Blomkvists friend finds a dead man in a cabin and then must his friends and he find the murdurer.
| Writing | Astrid Lindgren | Novel |
| Writing | Göran Carmback | Writer |
| Production | Waldemar Bergendahl | Producer |
| Directing | Göran Carmback | Director |
| Writing | Johanna Hald | Screenplay |
| Editing | Dominika Daubenbüchel | Editor |
| Sound | Peter Grönvall | Original Music Composer |
| Production | Maria Bolme | Casting |
| Production | Catti Edfeldt | Casting |
| Directing | Kerstin Bonnier | Assistant Director |
| Art | Olle Remaeus | Production Design |
| Production | Richard Holm | Production Manager |
| Camera | Carl Sundberg | Director of Photography |
| Costume & Make-Up | Inger Pehrsson | Costume Design |
| Art | Åsa Schüllerqvist | Set Decoration |
| Production | Micke Westerlund | Casting |
| Costume & Make-Up | Helena Olofsson-Carmback | Makeup Artist |
| Costume & Make-Up | Caroline Löthner | Makeup Artist |
| Production | Karolina Heimburg | Production Manager |
