Starlight Glimmer's manipulation with time revealed many possibilities of futures without hope that were never real nor meant to be. The tale left to tell is what kind of future this world has, and what everypony would give for it.
A threat awakes and it, along with the most known and dreaded antagonists of the Mane6 and whole Equestria, wants to take revenge, overthrow the princesses and reign supreme. But there is something doubtful about the ancient threat's true intent