Rainbow Dass is bored. Since two years now there is peace in Equestria. No fights, no adventures, no friendship problems. But when ponys get abducted and strange things starting to happen, the Main 6 realize that the quietude will be over soon and the evil will attacke, again.
But what shall they do? Nopony knows who the villain is, let alone where he or she is. Rainbow can't take it any longer to do nothing and decides , so as not to expose them to the danger, to go alone on a journey that she will never forget.