Moonshadow is a young swan about to set off on his first migration. He is nervous, but his grandfather reassures him along the way. His grandfather is the head of the swan family and leads the swans in their journey, which involves flying over many lands and seas. On the journey, Moonshadow struggles and his grandfather, knowing this, guides them down to rest whilst watching over them. On the journey there is a terrible storm. Moonshadow starts to fall but is helped by his mother and father. When the winds die down, Moonshadow cannot find his grandfather and is told of his loss in the storm by his mother. Moonshadow grieves for his grandfather and his father takes over as head of the swan family. His father explains to him that even though he is gone, his grandfather will always be in his heart and one day Moonshadow will grow up to lead the swan family too, as his father does now.