《凹凸影视传媒文化有限公司入口》AstheFifteenthDoctor,playedbyNcutiGatwa,takesovertheTARDISforhisfirstepicadventurehewillbejoinedbyRubySunday,playedbyMillieGibson,asshemakesherdebutastheDoctor’scompanion.TheepisodeseestheDoctorcomeface-to-facewiththemythicalandmysteriousgoblinsashislifecollideswithRubySunday,playedbyMillieGibson.LittleisknownaboutRubySundayasshewasabandonedonChristmasEveasababy.Nowlivingwithhermum,Carlaandgrandmother,CherryherworldisabouttobeturnedupsidewhensheencounterstheDoctorandthetwosetoffontheirfirstadventuretogether