ハードフォーカス　盗聴＜ぬすみぎき＞ (1988)

Reporter Nukada's next big assignment is the secret world of Japanese phone sex clubs. He gets in touch with Midori, a part-time employee at the Banana Club, but is startled to hear she's been implicated in the bloody death of a client with perverted tastes, Kihara. Sensing a bigger story, Nukada uncovers a link between Midori and the late Kihara's wife and realizes that the situation is much more complex than he imagined.