Julian LeVallon, born and raised alone in the Jura Mountains, is referred to psychiatrist Dr. Edward Fillery for care in London. But is LeVallon merely a schizophrenic with a secondary personality, "N.H." (non-human), or is he really an Elemental Being, a "bright messenger" who brings, perhaps, a new age of human evolution? And if so, is the human race ready for a major step forward?