When Applejack and Twilight decide to have a foal, Twilight works a little magic to get the job done, though there are unexpected consequences when all of the mane six wake up the next day, all expecting their own little bundle of joy.
After an uprising against magic by the Pegasi and Earth Ponies, all unicorns- and all magic have ceased to exist. One spark of magic remains; in a young unicorn filly, the last of her kind. Starlight may be the key to returning magic to Equestria.