Twilight Sparkle and company had been zapped into Spike's comic book because of Spike's own fault. But at exactly the same time, Humdrum was doing it with a comic book of the Mane 6. So, while the Mane 6 and Spike were the new Power Ponies, and were trying to learn how to tame their powers, the real Power Ponies, trapped in Equestria, tried to learn how to be normal ponies for the day, and not mess up the reputation of the Mane 6. But while they're at it, the real Power Ponies actually defeat a group of villains which had come back to take revenge on the Mane 6, and actually end up saving Ponyville.