Twilight realizes something...

Reading by LivingLibraryPlayers:
http://m.youtube.com/watch?v=yN_Ege3Gf8U

While doing a task for Fluttershy, Rainbow Dash gets caught up in a mess with a Mysterious Pony. After the incident, Rainbow then starts to go through some strange changes, in panic she seeks out her friend, Twilight, She gets intrigued with the matter and investigates her friends mysterious problem...

But the moon wont stay down forever.