Rainbow Dash has never flown with earth ponies. She's never worn a cloak of invisibility, befriend a giant, or helped hatch a dragon. All Rainbow knows is a miserable life with the Pies, his horrible aunt and uncle, and their bratty daughter, Inky. Rainbow's room is a tiny cloud in the closet at the foot of the stairs, and she hasn't had a birthday party in eleven years.
But all that is about to change when a mysterious letter arrives by Dragon messenger: a letter with an invitation to a wonderful place she never dreamed existed. There she finds not only friends, aerial sports, and magic around every corner, but a great destiny that's been waiting for her…if Rainbow Dash can survive the encounter