Thorax and Octavia’s daughter, the new princess Windheart, becomes the most unique Changeling of all—the only changeling with a cutie mark! Will her special talent help her and Thorax win the war of changelings and ponies?
After an army of diamond dogs attack the Changeling Hive and kidnap the changeling princes and their allies, Pharynx finds himself to be the only one who can save the others ... well, Fluttershy's there, too, but how helpful could she be?