After a spaceship crashes into the planet of Tonath, the lone occupant survives and fights his way to sunlit part of the planet. When a passing freighter finds him, he's taken to the Western Starshift Institute of the Way, where the Teacher rules the sunlit part of the planet. Tonath is a planet being torn apart by the forces of nature, and only the Teacher knows how to predict the movement of the stars and interpret the prophecies. Finding love and betrayal on the planet, the survivor also learns of the disputes arising from the teachings of the Greens and the Universalists. When more strangers arrive to the planet, the Teacher must decide who is True Man and True Foe. But can they save Tonath from a thousand years of burning?