A letter from Fluttershy to Princess Celestia on the day of the Sisterhooves Social has caused Twilight no end of heartache and fear. Fear for her friend's life. In the end however Twilight discovers there is more to Ponyvilles' citizreny than she thought possible. It will lead her onto a road of discovery as she meets new faces, and old, with the potential to shake up the very core beliefs of Celestia's prized pupil. Not everything in Equestria is rainbows and cherry pie.