After the loss of Sweetie Belle in a tragic accident that Rarity couldn't control, she decided to create a robot version of her little sister, this couldn't go wrong right? WRONG! Lightning Dust along with others decide to infect the robot girl into killing Rarity so that the numbers of the Power Heroes can dwindle. Will Rarity be able to stop her own creation or will this be the end of Radiance? Find out now!