Sunset Shimmer finally returns to Equestria but when she arrives she is confused and sitting on death's door. Twenty five years later the mare Eventide Trailblazer is looking to continue the legacy of Sunset Shimmer for better... or for worse.
Future universe. "Sister" Princesses Sunset Shimmer and Twilight Sparkle mourned the loss of Equestria's favorite Princesses - The royal natural-born alicorn sisters Celestia and Luna. In an attempt to win them back, they resurrect them - as fillies.