After a mysterious object exploded from the night sky, a magical shock wave spreads all around the town of Canterlot, giving some a lot of it's inhabitants powers. Flash Sentry, is among those who found themselves with magical powers, and plans to use it for good. However, after meeting a scientist who has knowledge about the strange phenomenon, Flash soon learns that other people might use their powers for their own evil agendas and must form a team to stop those kind of people.

And with an army of magical-powered teens, alongside a few Equestrian-magic powered girls, Flash and everyone must protect their city from the forces of evil!