Chaos reigns in the multiverse! Rifts in time and space have caused once separate worlds to collide and meld together. At the centre of all this is Equestria, where the source of all the problems wait to be discovered…

Fighting the good fight is our dashing hero, Barney Stinson, who must stop the poor little ponies from being turned into nightmarish abominations and figure out a way to close the rifts.