In a hundred thousand homes, families sat down together at the supper table. A few hours later, those persons were dead — killed by poison in canned foods! Thousands of women used cosmetics, and acid made their faces forever hideously scarred. A master criminal, daring and clever, was ruthlessly slaughtering Americans to win immense illicit profits for himself. Only one man was powerful enough and wise enough to stop this wholesale murder — Richard Wentworth, champion of oppressed humanity, better known as the Spider. And the Spider was engaged in the bitterest battle of his career, fighting the Avenger, a false, wily crusader who was determined to destroy him!