Twilight and her friends are sent as emissaries to the Temnokt Empire, but are caught in the middle of a complot to overthrow the Temnokt King and conquer both Krussia and Equestria.
Two days before the rehearsal of Twilight and Discord's wedding, Shining Armor remembers one certain Aquatic Dragon that he once saw as a representation of Twilight.
Chrysalis is out for revenge, and for that purpose she must gather pieces of an ancient artifact to bring Sombra back from the dead. Can the Elements of Harmony save the day?
Twilight Sparkle is marrying Discord, but Shining Armor doesn't like the idea in the least, which can endanger his relationship with his LSBFF. Will he accept Discord as a brother-in-law?