A writer spends the summer holidays with his children on an island. The family grows together through friendships with humans and animals and through adventures.
| Writing | Astrid Lindgren | Writer |
| Directing | Olle Hellbom | Director |
| Sound | Ulf Björlin | Music |
| Editing | Bengt Schöldström | Editor |
| Sound | Eddie Axberg | Sound |
| Production | Olle Nordemar | Producer |
| Art | Bibi Lindström | Production Design |
| Camera | Kalle Bergholm | Director of Photography |