in this classic twilight zone episode title nothing in the dark it certainly one of mystery and journey into the unknown . plus it a vintage one for the fact that it feature robert redford well before he become a big movie star or household name . redford play harold beldon a policeman who shoot alongside a street corner of a house of a sheltered and old woman play perfect by gladys cooper who take redford character in and treat and nurse him back to good health . this woman have a fear of die and venture out into the real world she even think this arrival could be the angel of death and only it turn out to be the opposite a the redford character return a favor a he venture the old lady out and he look more like a guardian angel . overall good episode for it mystery and discovery of good nature prove life be so unexpected a a mystery can arrive to u and be a find that help u start a new journey .