When she fled Canterlot, Sunset travelled so much further then she thought possible, into a galaxy so much larger then any first thought. Yet with her homecoming, she finds that galaxy has not left Equestria alone. But ambition only sees opportunity.
Trixie concocts a plan to revive her tarnished image; take up the mantle of Mare-Do-Well and claim the credit for herself. When Shining Armor begins to pursue the aspiring vigilante, Trixie struggles to decide if the life of a hero is really for her.
Tirek has escaped again, and now he's got an army of his own! Equestria reaches out to others for help and Twilight seeks to find the true meaning of harmony!
In light of what happened during the Friendship Games, Dean Cadence and Shining Armor does something that catches Principal Cinch off-guard: They quit.
Shining Armor goes on a quest to become an alicorn in order to save his love ones from mourning his eventual death. To do this, he must prove him self worthy of the spirits of harmony, as villains plot in the shadows.