Operation Plazma in Osaka (1976)
Original title: 実録外伝 大阪電撃作戦
Operation Plazma in Osaka is a 1976 Japanese-language action movie directed by Sadao Nakajima, with a running time of 1h 35m. It stars Hiroki Matsukata, Tatsuo Umemiya and Tsunehiko Watase.
Amidst Japan's postwar economic boom, yakuza factions in Osaka fight for survival when Japan's largest crime syndicate plans a hostile takeover.