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A renegade superspy infiltrates a violent gang of international jewel thieves in this fast-paced crime thriller from Nikkatsu Studios. His killer instincts honed to deadly perfection by a shadowy espionage bureau, Yabuki (Akira Kobayashi) abandons the organization that rained him and joins forces with fearless mercenary Yamawaki (Hideki Takahashi) to follow a trail of jewels stolen during the last days of World War II. When that trail leads Yabuki and Yamawaki to the highest levels of government and corporate malfeasance, the conspiracy is blown sky high and the bullets start to fly.