With her wife stolen away and the world’s magic fading, Sunset must hunt down the monster ripping the power from her beloved to murder the very stars themselves. Because if the stars die… her world will soon follow.
Everypony knows Princess Celestia can't possibly have a dark side. Sunset Shimmer is about to find out just how wrong everypony is, and in so doing, find that Celestia understands Sunset more than she ever thought possible.
When Sunset awakes after a spell meant for the guards escorting her out exploded in her face, she finds herself in an Equestria that wasn't the same Equestria she knew.
Sunset Shimmer is lost in a world that she can't move on from. Twilight Sparkle is lost in a world that moves on without her. Together, they each try to find their way again.
Sunset Shimmer returns to Equestria only to find Twilight Sparkle battling a strange pony named Starlight Glimmer. Unbeknownst to Sunset, Starlight has altered the past, forcing Sunset to deal with reigniting her friendships all over again.