In a dystopian future Equestria, Celestia lives in a city under the control of Nightmare Moon and her army of evil robots. After creating and losing her robotic daughter Trixie, she builds another; Twilight Sparkle, the ultimate equine robot. Filled with a desire to avenge her sister and stop nightmare, Twilight prepares herself to fight for the ponies of the city. But would the ponies she fights for help her in her hour of need?