Princess Celestia warned her, but Twilight couldn't have been prepared for what was to come.

It was more than a disease—which were always curable by magic or medicine—and it was more than a storm—for normal tempests never doled out fire.

Without her friends, all who had left Ponyville long ago, Twilight is hopeless. So it's up to her to gather them once more to solve this strange disaster and restore Equestria to its former glory.

But times have changed. Nopony is who they used to be. And everypony has a secret.