A brilliant young economist Japan's Ministry of Finance plunges to his death from a room in a fashionable Tokyo hotel. Was it suicide or something more sinister? Who or what is causing disturbing fluctuations in the Yen/Dollar rates aruond the world? What is behind a rapidly growing anti-Japanese political movement in the United States? The hidden force behind all these manifestations is a mysterious organisation known only as Silent Thunder. It's leader - brilliant, ruthless and fanatical - is working towards massive disruption of the world's financial system; but pitted against him is one man, aformer radical turned private investigator who is determined to expose this financial conspiracy...