The story is about a photojournalist (Farrell) who returns from a dangerous assignment, only to find his friend and colleague missing. So his girlfriend (Vega) is charged in finding clues to the mystery
Grisly strangulations in London alert Nayland Smith of Scotland Yard to the possibility that fiendish Fu Manchu may not after all be dead, even though Smith witnessed his execution. A killer spray made from Tibetan berries seems to be involved and clues keep leading back to the Thames
German actor PETER VAN EYCK stars as Droste, a mild-mannered businessman who was an intelligence expert during World War II. When Droste runs into his old friend Baron Von Straub (Christopher Lee), the two rekindle a friendship that was interrupted by the war. However, when Von Straub asks Droste to deliver a small package to a friend in West Germany, the befuddled Droste is set up for a series of complicated spy games