Sam, Minna and their mother Eva travel to the Orchid Coast to celebrate Christmas in the sun with aunt Anja and their cousin Bianca. It´s the first time they are back on their father´s beloved Orhid Coast since he passed way, and it is both beautiful and sad to be back. One day a mysterious mask and old pieces of wood from a sunken ship washes ashore at the hotel where they live. Grandfather Ivo tells them the legendary story of the pirate Aquila, whose ship sank in the battle of the greatest treasure in the world.
Meanwhile, Sam, Minna and Eva find out that the Orchid coast will be destroyed after Christmas. Perhaps they could find the treasure of Aquila and save the Orchid Coast?