A nosy bookworm, a put-upon carrot, a neurotic apple, a giggly airhead, and a pegasus who's all wind and no thunder. Put 'em together and what have you got? No idea, but Twilight's about to find out the hard way.
Summoned by the Cutie Map, the CMC find themselves on a journey to the Highlands, a land of Equestria home to a mysterious race of transforming creatures with a dark secret and a sinister past.
Waking from a nightmare with no memory of what happened, Apple Bloom is shocked. She has become an Alicorn! To find what has befallen her, she seeks advice of Princess Celestia. But the royal sisters have vanished, unfurling a real nightmare!