Dr Orpheus finds a future Earthworld caught in a double-destructive pincers between benign enslavement by the miracle drug Anagonon and hideous enslavement by invaders from a far galaxy. To meet this twofold threat, Croyd must exercise his amazing abilities to the fullest, resorting to time travel, mind transfers, and a breathrakingly swift shell game of body transpositions, all the while battling the greatest odds he has ever faced...