Little Dragon Coconut and his friends have gone on a school trip to Turtle Island, where the old giant turtle Olemina tells them the exciting story of Red Rudolph, the most fearsome pirate of the Seven Seas. Thus, Coconut, Matilda, and Oscar decide to search for Rudolph's lost amulet. In this treasure hunt, they will team up with Peter Papafingo, a small-sized pirate not known for his bravery, and will face a host of dangers.