After Twilight was assassinated in her sleep, she awakes from her coffin 15 years later, only to find that the evil nobles and traditionalists have successfully conquered all of Equestria with the aid of the Unicornian Kingdom.
After Starlight Glimmer learned of Twilight's Assassination, she vows to help go back in time to reverse this tragic event, in which also led to a lot of injustice in Equestria.
Sunset make prepartions before going back to Equestria during the Civil War.
When the civil war began, Unicornia makes its move while Equestria's heroes struggled to fight back but without each other by their side.
After narrowly evading capture by the enemies pursuing Princess Twilight and her new friends, she does whatever it takes to help her friends survive and head back to Equestria to defend her homeland from the alien invasion.
As Twilight and Twinklestar went back to Ponyville, the royal sisters, Gladius Strife, and Discord made a desperate counterattack against the Unicornians.
After getting drunk from a party at her castle, Princess Twilight gets captured by some unknown bandits and transported to a strange labyrinth.
After getting tired of Rainbow Dash's pranks, Applejack seeks help from Twilight and Derpy to even out the odds. When a Sentry Buster appears before her, Applejack finds a way to get back at Rainbow Dash.
After several months of recovery from last year's purge, Twilight receives a letter from somepony named Charlie Roan on how to put an end to the nightmares caused by the purge.
Luster Dawn is sent up to the northern sector of the galaxy to intercept the evil aliens that threaten to bring all of Equestria to its knees with a doomsday weapon.