Detective Kyosuke Kozu's Murder Reasoning 4 (1986)

A gripping Japanese mystery from 1986 in which a detective's apprentice untangles a dancer's disappearance, buried secrets, and a murder hiding in plain sight.

Detective Kyosuke Kozu's Murder Reasoning 4 - Movie Information

  • Original Title: 探偵・神津恭介の殺人推理4
  • Release Year: 1986
  • Directed by: Yasutada Nagano
  • Type: Movie
  • Runtime: 1h 33m
  • Original Language: Japanese
  • Spoken Languages: Japanese
  • Production Companies: TV Asahi
  • Production Countries: Japan

Detective Kyosuke Kozu's Murder Reasoning 4 - Plot

Kenji, a disciple of the famous detective Kyosuke Kozu, had a strange experience in the world. He was asked by a woman named Shoko Ima to find the corpse in the soil. Shoko is a famous dancer in the modern ballet world, and she just married doctor Fujimoto 10 days ago. However, on that day, Shoko had disappeared. Her corpse seems to be at the base of the ginkgo tree in the house of the sculptor Kagawa, who was rumored to have a romantic relationship. Police arrested Konosuke. However, Kagawa was also suspicious.

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Detective Kyosuke Kozu's Murder Reasoning 4 - Cast & Crew

Director(s)

  • Yasutada Nagano

Main Cast

  • Masaomi Kondo
  • Keiko Iiboshi
  • Baku Ohwada
  • Seiji Matsuyama
  • Yutaka Nakajima
  • Mari Shirato
  • Hirotaro Honda

Writers

  • Kikuma Shimoiizaka

Detective Kyosuke Kozu's Murder Reasoning 4 - FAQs

What is Detective Kyosuke Kozu's Murder Reasoning 4 about?

The film follows Kenji, apprentice to the renowned detective Kyosuke Kozu, who is drawn into a baffling case when a woman named Shoko Ima asks him to locate a buried corpse. Shoko, a celebrated ballet dancer recently married to a doctor, soon vanishes herself, leading Kenji into a web of jealousy, romance, and murder.

Who are the main actors in this film?

The cast features Masaomi Kondo, Keiko Iiboshi, Baku Ohwada, Seiji Matsuyama, Yutaka Nakajima, Mari Shirato, and Hirotaro Honda. Together they bring to life a tightly wound mystery set against the backdrop of the Japanese ballet world and a sculptor's shadowy household.

Who directed Detective Kyosuke Kozu's Murder Reasoning 4?

Yasutada Nagano directed the film. He helmed this fourth entry in the Detective Kyosuke Kozu mystery series, which was produced by TV Asahi and released in Japan in 1986.

Is Detective Kyosuke Kozu's Murder Reasoning 4 part of a series?

Yes, this is the fourth installment in the Detective Kyosuke Kozu mystery series. The franchise is based on the beloved detective character Kyosuke Kozu, a classic figure in Japanese mystery fiction, and each entry presents a new standalone murder case for the detective and his associates to solve.

Who wrote the screenplay for this film?

The screenplay was written by Kikuma Shimoiizaka. The script weaves together themes of romantic jealousy, artistic ambition, and hidden secrets, placing the detective's apprentice at the center of a murder investigation involving a dancer, a doctor, and a sculptor.

How long is Detective Kyosuke Kozu's Murder Reasoning 4?

The film runs for 93 minutes, making it a compact and focused mystery. At just over an hour and a half, it delivers a brisk, engaging whodunit without overstaying its welcome — ideal for fans of classic Japanese detective storytelling.

Is this film based on a true story or a novel?

The film is not based on a true story. The character of Detective Kyosuke Kozu originates from the mystery novels of Japanese author Seishi Yokomizo's contemporary, Seicho Matsumoto's era of crime fiction — specifically from the works of Akimitsu Takagi, who created the Kozu detective character.

What language is Detective Kyosuke Kozu's Murder Reasoning 4 in?

The film is entirely in Japanese, reflecting its origins as a Japanese television production by TV Asahi. Viewers outside Japan will typically need subtitles to follow the dialogue and the intricate mystery at the heart of the story.

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