After a terrible storm shatters the peace of his tropical island home, a young boy named Sora is set adrift from his world and his friends, Riku and Kairi. Meanwhile, Disney Castle is in an uproar when it is discovered that King Mickey has gone missing, leaving it up to Court Wizard Donald and Captain Goofy to find him! When Sora, in search of his friends, and Donald and Goofy, in search of their king, cross paths, their fateful encounter will change the destiny of the universe forever!