Twilight Sparkle, a well known unicorn in all of Equestria. That's what they all thought. Until one day, the day that was supposed to be the luckiest day of Shining Armor's life, everything changed.
Moon Dew is a free changeling. A changeling free from any influences of her queen. Will Moon Dew be able to make her wish come true? Or will she starve while trying?
All ponies do it. At some point in their life they grin. Maybe it's a small mischievous grin, maybe one of pure happiness, maybe it's just a habit, but they all do. My Name is Grinning Sun, and I grin for other reasons.