This story is a sequel to Doctor Whooves Episode 20: The Cure

Discord Whooves and his Cybermen armies have passed through the rift vortex and now nothing in Equestria or beyond is safe. As the battle begins and armies clash, several individuals set out to survive the invasion. And as the Doctor begins to develop a plan to defeat his darker self, he is unaware that Discord Whooves has sinister plans in mind for those close to him.