WhenTwilightSparkleandherfriendsarriveinHopeHollow,theyfindthetownandallitsresidentscompletelydevoidofcolortheirdreamvacationisstartingtofeelmorelikeanightmare.TheMane6willhavetosolvethemysterybehindthiswashed-outworldiftheyhopetobringthe'rainbow'backtotheRainbowFestivalandcolorbacktothelivesoftheirnewfriends.
