When archaeologist Johnny Littlejohn discovers an armored warrior frozen in a Mongolian ice cave, he opens a Pandora's box, unleashing humanity’s greatest scourge upon the 20th century. For inscribed in the ice encasing this creature are these terrible words, “If I still lived, mankind would tremble!" Rushing to the scene of this tremendous discovery, Doc Savage and his men discover to their horror that the situation is already spiraling out of control. A monster has been turned loose upon the world. Can the Man of Bronze return him to the frosty hell from which he came? From New York to Inner Mongolia, the action sprawls across half the globe, as an alliance of despots and determined world conquerors brew up a catastrophe for all mankind.