Sunset Shimmer upon being thrown out by Princess Celestia runs away through the mirror into a world that upon first glance is not unlike our own. However ancient beings that once ruled the world are plotting to retake their place as the rulers of the world.

However, not all of these immortals want to retake the world; Sunset meets one of these beings and the world would never be the same again. Crossover with the Secrets of the Immortal Nicholas Flamel series by Michael Scott.