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!