A new type of darkness is coming, and it's not from Equestria. Twilight Sparkle and her friends feel like they're in peace even after Twilight became an alicorn princess. An evil dark tyrant name Razul plans to enter Equestria to bring Back an evil like him. King Sombra. The mane 6 will need the help of the people that defeated Razul before, the Power Force.

Twilight, Rainbow Dash, Applejack, Fluttershy, Rarity, Pinkie Pie and Spike will soon discover the purpose of Cyber-Shark, Catfish, Flair, Pac-Kid, Prisoner, Virus, Rusk-Pup and Kentaura's lives on earth so that they can defeat their enemies with the Power of Friendship.