When Celestia throws the powers of the Elements of Harmony against Nightmare Moon, instead of imprisoning her in the moon, Luna wakes up in a strange new magical world inhabited by humans.

Vanilla just dream be a good flying racer, but when her kingdom is taken, she dashs on an adventure to save her father and her friends.

An unusual dream awakens two princesses. Now the Mane 6 and some of their friends will embark with a new friend in a new adventure, through cold valleys and burning deserts, against pirate ponies and, to keep their world safe.

A tale of Celestia and Luna in their journey to free Equestria from the shadow of the Nightmare ponies.