Thanks to a certain imp from the fifth dimension, Discord has come to Gotham City intending to prove he's the best there is at spreading chaos. Now the Joker has to stop the draconequus from taking his job as Gotham's chief chaos-causing clown.

It never existed.

The events of My Little Pony: Friendship is Magic were all just the delusions of an insane young woman who has been in an institution for the past few years. Now Tara believes she has conquered these fantasies, but has she really?

Batman wants to destroy My Little Pony and only the Joker can stop him.