Twilight Sparkle, Princess Luna, and Princess Celestia all have a strange dream which is hosted by none other than Discord's father who has some surprises about the Alicorns and Draconequi to share with them.
When a happy meeting between friends takes a dark turn, The mane 6 are left with one question in mind, what was Discord's history? Unable to answer it, the ponies go to the sisters to learn of their friend's traumatizing origins