Silver Cloud, a wild horse who is noble, brave, fast and strong, roams the plains. He belongs to a society which is more sophisticated and peaceful than that of the neighboring human tribe which now, on the verge of extinction, needs his help. Silver Cloud's ruling spirit, Ghost Horse, sets him the task of saving them, and as Red Hawk, the leader of the tribe, is old and dying, his young grandson, Four Winds, is sent to accompany him. Silver Cloud...