Our narrator tells us of the time he met Nicholas Graydon in a small village in the Peruvian uplands of the Andean mountains, feverish and at death's door. While nursing Graydon back to health, our narrator is told of an incredible adventure Graydon experienced. Of the treacherous band of journeyman of which he found himself in the company. Of the beautiful and mysterious ivory-skinned woman Suarra and her claims of a hidden civilization filled with untold jewels and gold. Of The Snake Mother who haunts his dreams and presides over the lost world of Yu-Atlanchi with the blue and yellow-cowled Two Lords. Of that dreaded Face in the Abyss which he must resist or forever be consumed!