Surprise has always wanted a foal. She finally gets her wish when she adopts a colt named Tightrope, but difficulties arrive when Tightrope turns out ot be unusual, and his real mother comes calling...

A new pony and her surprising pet come to Ponyville, leading to a world of new adventures!

To save Equestria, the Elements of Harmony must travel to another world and find a long-lost pony of legend, the Mother Pony. But other worlds are strange places, especially when they feel like some sort of game...