Not long after Twilight Sparkle being crowned as a princess and risen to Alicornhood, she moved to Canterlot to help spark a new golden age for Equestria. However, when she gets there, she notice that the other princesses are acting strangely and saying that Equestria will have a new ruler: Queen Chrysalis.

Shocked, she try to warn everyone and try to snap the princesses to their senses. But... She is too late. Chrysalis was there and is already prepared to add Twilight to her new kingdom.