A shrill scream pierced the quiet night as the mighty Plutonic breasted the glassy waves. As if at a signal, countless passengers, young and old, men and women, were seized by an epidemic of frantic self-destruction. By water, fire, steel and lead they tried eagerly to hurl themselves into oblivion—into the greedy arms of Anubis, grim Egyptian deity of death! Richard Wentworth, who defended humanity in the guise of the dread Spider, recognized the suicide-mania immediately as an extremely cunning attack by the master-brains of the international underworld. Yet when his fellow men needed his protection more than ever before, the Spider lay gravely wounded, ruthlessly harried by Law and Criminal, while his beloved Nita, fortified by her courageous love, went forth to prove she was indeed the Spider's mate!