Discord, the god of chaos, was free not to long ago. His stone imprisonment left empty in Canterlot for one night, and one night only. What would an ancient creature like Discord do at a late time like that? Go visit one of the ponies that defeated you of course!
Now weeks after Discord was returned to stone Pinkie is left attempting to pick up the pieces, blissfully unaware of what had happen inside her, until today...
Cover image drawn by: http://glasmond.deviantart.com/