When Maddie finds a beautiful little boat in the stream at the bottom of her garden, she can't resist getting in. The next thing she knows, she's the helper of Sebastian, apprentice WishMaster, and on her way to the magical land of Zavania, a world where wishes come true. But, Sebastian's got work to do - a baby unicorn has wished to go home, and nobody knows where that is. Can Maddie help the precious creature get back to where he belongs?