When his partner is murdered by sadistic drug dealers, narcotics cop Shiro Tanaka (Kosugi) vows revenge. Disobeying orders, he tracks the killers from Singapore to Buenos Aires. But in a cruel twist, the killers kidnap Tanaka's girlfriend and take her deep into the jungles of South America. Now, armed with an arsenal of deadly weapons, Tanaka must use all his powers to destroy a battalion of highly trained terrorists and get her back.