The little dragon Coconut and his friends have gone on a school trip to Turtle Island, where the old giant turtle Olemina narrates the thrilling story of Red Rudolf, the most fearsome pirate of the Seven Seas. Thus, Coconut, Matilda, and Oscar decide to search for Rudolf's lost talisman. In this treasure hunt, they will ally with Peter Papafigo, a small-statured pirate not known for his courage, and they will face a host of dangers.