In his long quest to locate Earth, Earl Dumarest encounters a painting that contains familiar astrological symbols. This painting and the object it represents leads him to the Terridae, a strange cult on the edge of space whose members while away the years in pleasure, awaiting the rediscovery of the lost planet Earth...Meanwhile, the vicious cybers of Cyclan continue to hunt Dumarest to regain the secret of the "affinity twin": knowledge which will allow them to conquer the galaxy.