Namoo is a twelve-year-old boy who has lost his father and lives with his grandmother and mother. His only friends are Junho and his cat Yeo. One day when they are playing near the old lighthouse. Namoo follows the cat in and is wandering around when he discovers a mysterious marble on a shelf. At that instant a beautiful light shines through the marble, the interior of the lighthouse is suddenly transformed into a world of fantasy. Namoo is about to fall into nothingness when a girl covered in white takes hold of his hand and lifts him up. A world of beautiful light and fantasy opens up beneath them…
