Men blanched at that name-the Scarlet Baron! Ambitious master of the united Underworld, he promised boundless riches for all! But Jimmy Christopher-Operator 5 of the Intelligence-understood the true purpose behind the new plague of rapine and murder. With the gallant Federal G-men slaughtered-with the Secret Service and militia admitting defeat-alone, wounded and heartsick Operator 5 seizes the very last chance to save our crime-beleaguered land from shameful serfdom!