Twilight is awakened by Discord to find she- and all of Equestria- have been converted into changelings. With only a few pockets of resistance remaining, she must hurry to find her friends and bring them back to their senses defeat Chrysalis.
When the Queen of the Changlings takes her revenge on the ponies, will Twilight be able to stop her? Or, more importantly, will Twilight be able to stop herself?