Coco Pommel finally had her fairy tale ending. But all that's about to change. Abducted by changelings, she's carried off to a world of dark enchantments and sinister fairy folk to play a part in Queen Chrysalis's new plan to take Equestria. Finding herself caged in the dungeons of an ancient castle, she discovers that she's not the only one who's been captured, and learns that Chrysalis and her Changelings are not the only things to fear.