Years after being exiled, Sunset Shimmer returns to Equestria as part of a diplomatic mission on the behalf of the Earth Federation Cosmo Navy.

As Equestria enters its third month of war against the Gryphons, a new faction enters the fray led by a Displaced Infested Terran.

Shortly after Twilight's return from her nine month interstellar exile, a powerful new foe reveals itself and Twilight, now accompanied by her friends, must leave Equestria once more and set off to the stars.

Nine months after being betrayed by those closest to her, Twilight Sparkle returns home as part of a group of Terran Mercenaries