The entire city of New York is swept up in a wave of terror, as an evil international conspiracy devises a crime so sinister that only Doc Savage and his five mighty cohorts can halt its fiendish plan. Led by a phantom master criminal with stupefying supernatural powers, the conspiracy sets trap after trap for Doc. Finally, in a fantastic underground empire, the fearless bronze giant and his courageous crew must fight for their lives against a diabolical enemy that cannot even be seen.
With the fate of America hanging in the balance, Doc Savage and his fearless crew battle a hideously white-faced man named Ool who kills merely with a touch of his finger. The only clue to his diabolical power is a mysterious pair of dark goggles which brings death to whomever possesses them. The trail leads to a fabulous lost super-civilization hidden deep in the bowels of the earth, where Doc Savage and his fabulous five face their supreme challenge.