Everyone's heard about Black Beauty, probably the greatest horse that ever lived. But what about the rest of his family? Here we meet some of his other extraordinary relations, each with an amazing story to tell. There's his brother, Black Ebony, who is involved in a terrible mining accident; his great niece, Black Princess, a heroine in World War One; and then there's Black Velvet, a distant relation whose life as a show jumper is about to change dramatically.