Dr. Fu Manchu, the terrorizing and macabre master of a secretive Oriental organization, is dedicated to conquering the world. Fu Manchu's greatest nemesis, British investigator Nayland Smith, is one of the few people who can meet Fu Manchu's gaze without falling under his hypnotic power. It is up to Smith and his faithful companion, Dr. Petrie, to foil Dr. Fu Manchu's diabolical plot.