A suspense drama based on Osamu Takahashi's original work starring Shinobu Otake. The shooting location of Gunkanjima is a famous tourist attraction. When Mansako returns to her husband's parents' house, she noticed a young man named Shinji playing drums at a village festival. Shinji who felt her gaze also looked back at Mansako. Masako invites Shinji to her house to welcome her husband together, and is witnessed by a housewife who came to inform her husband of the accidental death while helping him change clothes. She is stigmatized for infidelity. They are separated, but they vow to meet again 12 years later.
Fukami, a secretary engaged to company president Kaido, her employer, is invited by his close friends, the Nogis, to a three-day-two-night tour. The tour group is traveling in a luxurious coach to Lake Megami in the Tateshina Plains. On the way, they are disturbed to hear that Shirai, a hostess who was supposed to come along on the tour, has been murdered. And the next day, the body of Hasegawa, another tour member, is floating in Lake Megami...
Eighteen-year-old Isamu works at a coffee shop. Rebelling against his father, he eloped with Momo (Yasuko Tomita). One night, Isamu injures a middle-aged woman by hitting her with his bicycle.
Detective Muramatsu's wife, Fusae, is killed by a drug addict. After the criminal climbs to the roof of the house with a hostage, Muramatsu shoots him dead in order to rescue the hostage, but the public denounces his actions as stemming from the personal grudge of a detective whose wife was just murdered, and he is demoted.
It is the first Toei yakuza film directed by Akinori Matsuo, who was active in Nikkatsu action movies. It is a local yakuza movie made following Okinawa Yakuza War (1976) and Hokuriku Proxy War (1977). The film depicts the war between a storied yakuza killer (Hiroki Matsukata) and the largest organized crime group in the Kansai region, which plans to advance into the Kanto region.
