When the king of the herd dies, Black Beauty, the young foal next in line to the throne, must embark on a coming-of-age journey from whence he shall return as the king of the herd on Christmas Day. However Alta, Black Beauty's nefarious uncle, has different plans and decides to take command of the herd himself. Alta sets out to lures Black Beauty onto a dangerous path filled with peril in hopes the young horse will never return from his coming-of-age quest. As Alta finds a powerful ally in the Majestos Sphere, a globe of mystical powers, he sets off on a conquering quest to expand his new kingdom farther than ever before. Will Black Beauty find out the truth about Alta and take back his rightful kingdom? Find out in Black Beauty's Christmas!