To rescue their lovers George Howden and his shipping colleague Agios Kato come up against Triad gangsters in the 1967 world of Hong Kong and Macau. George Howden has to battle against the evil Mercator Tinopolis and the secretive international criminal Jamil El Hassan who have joined forces to destroy George Howden. George learns the truth from senior British Government officials about the enigmatic Triad Leader Ah Bok and is given the chance to help his country.