Fluttershy has been acting very strange lately and it doesn't look she's eating properly either. What's going on with the timid mare?

An artist from Cloudsdale is hired to create some cloud art for Rarity’s next Fashion show but things quickly begin to get interesting as Summerbug meets up with a pair of old schoolmates and stirs emotions within them both old and new.

A new pony has come to town, and the pony's strangeness is making everypony else on edge. Who is this sinister 'Strangepony', and is the pony really as sinister as the others think?