5000 years ago Celestia and Luna imprisoned another, male, alicorn to keep him from killing himself, his name was Crimson Fang and he held the titles of the God of Fear and the King of Monsters. When their king was imprisoned, vamponies, werewolves, ghouls and many other kinds o Monsters went into hiding and eventually faded into obscurity. Today the ponies of Equestria think that they are just stories. But the Monster King is about to be feed from his stone prison, and both his kingdom and subjects will rise again.
What follows is a tale of love between the newly crowned Princess Twilight Sparkle and the ancient King of Monsters as they fight off the Thirteen Archdemons. Ancient friends and enemies of the Monster King will return, relationships will blossom and secret familial relations will be revealed.
To find out what adventures await these ponies, read on...