Thelma dreams of being a glamorous unicorn. Then in a rare pink and glitter-filled moment of fate, Thelma's wish comes true. She rises to instant international stardom, but at an unexpected cost. After a while, Thelma realizes that she was happier as her ordinary, sparkle-free self. So she ditches her horn, scrubs off her sparkles, and returns home, where her best friend is waiting for her with a hug.
Equestria's divided. But a bright-eyed hero believes Earth Ponies, Pegasi and Unicorns should be pals — and, hoof to heart, she’s determined to prove it.
When the menacing Storm King invades Canterlot with plans to steal the magic from the ponies, the very future of Equestria is at stake. In never before seen adventures, the ponies will embark on an action packed heroic journey that takes them beyond the borders of their homes for the first time ever in search for help across magical mountains, undersea worlds, and even a swashbuckling flying pirate ship.