Taking place 3 months after the events of Fluttercord in Equestria Girls 2: Rock and Chaos. Everything was so calm and peaceful until Discord knocked up Fluttershy . But that is not the worst of their problems....in the pony world there was a terrible invasion that has left them on the brink of annihilation. As a survivor, Twilight returned to the human world to seek help. Can Twilight and Discord work together to save the human world and what is left of the pony world or will they fail?