Every thousand years, the world where upon Equestria lies is chosen to play host to IGOM, the Interdimensional Gathering of Malevolence, an actually somewhat fun convention of the multiverse's undertakers of dirty deeds. Unfortunately, with Discord frozen in stone and the spirit that was Nightmare Moon nowhere to be found, the 'honor' of being host has now fallen upon the shoulders of a reluctant Queen Chrysalis. The problem? She has never had to host any sort of celebration in her life, nor does she consider herself 'evil'.

Filled with doubts, the Changeling Queen turns to the one being in all the land who may be able to help her. Will the world's most famous party pony be able pull off the odd celebration and show the Queen of Deception that there may be more to life than brooding, or will the vile beings she's forced to be around convince her to be comfortable with her 'bad' side? And just what is the true intention held behind the creation of IGOM?