After Twilight's assension, somepony has returned. The mother of Celestia Luna, Discord... wait mother? For the Alicorn one thing is clear. "Why did I pick up the medal."
Lauren Faust wakes up one day in Equestria and guess what? Celestia and Luna tell her that A: she's the queen and B: they're her daughters. How will she cope? Will she stay or try to find a way back? Oh and she's an alicorn, of course.