Moss has grown up on the strangest and most magical of islands. Her father has a plan to control the tempestuous weather that wracks the shores. But the island seems to have a plan of its own once Callan -- a wild boy her age -- appears on its beaches. Her complex feelings for Callan shift with every tide, while her love for the island, and her father, are thrown into doubt... And when one fateful day, a young man from the outside world washes up on the beach, speaking of the Old World, nothing will ever be the same.