A Kommissar X type pair of French secret agents from the Strategic Investigation Bureau investigate the death of an agent in Hong Kong who sent a bottle of perfume to Paris. The pair uncover a plot by Dr. Kung, a Fu Manchu type Chinese mastermind and his secret society of the Red Scorpion. Dr Kung seeks to start a third world war by injecting the brain of the United States Secretary of Defense with RNA that will cause him to do Dr. Kung's bidding.