Sunset Shimmer receives remarkable news: Princess Twilight's becoming the queen of all Equestria! But as her friends celebrate, Sunset struggles with her own destiny when dangerous, new magic leaks through a rip in space-time above Canterlot High.
When the Rainbooms are hurt in the aftermath of a magical battle, Flash Sentry wants to be there for his friends, but he can barely keep it together. So, how is Twilight's ex-boyfriend, Timber Spruce, doing it so easily?
A very different Sunset Shimmer finds herself in a much darker human world. She's found the power she always wanted, but is power what she really needs?