Haneda, the president of a company dealing in gold, is shot to death on the Raicho 9 limited express from Osaka to Kanazawa. Detective Kamei begins an investigation in cooperation with the Fukui Prefectural Police. In the Green Car, Detective Nishimoto had noticed a beautiful woman talking to the victim just before he was killed. Looking into her background, she turns out to be Yumiko Miura, living in Setagaya in Tokyo. An eyewitness who claims that she is the murderer also appears, and she is taken into custody. Before long, the victim's unexpected relationships will be revealed one after another...

TV film about the "Nishiyama Incident", a scandal surrounding the 1972 return of Okinawa to Japan. Produced to commemorate the 20th anniversary of TV Asahi in 1978 and released theatrically by Office Henmi in 1988.

International agents have failed to track down the high-level source of government top-security leaks. Japanese officials suspect the involvement of a group of cold-blooded Ninja Warriors, the fierce, EGA clan . But they are powerless against this tight, efficient killing machine. Desperately, the police seek the help of the one man who can destroy the Ninjutsa murderers and restore the governmental secrets. Ken Sacaki, the last descendant of the Koga leaders and a Ninjutsu champion himself, must accept the ultimate challenge against his bitter rivals. It's all up to Ken to defeat his oldest enemies and avenge his ancestors... or die trying. Hong Kong, Japanese and US co production.