Inspector Muta's Incident Files: Yokohama to Kushiro Field. The Mystery of the Triple Murder That Only Marimo Knows.

The film follows Inspector Muta as he investigates a woman found strangled inside a car. As the story unfolds, the connection between the victim and a long-sought suspect, pursued by the new Assistant Inspector Iwaki, becomes evident.

This film is part of the Inspector Muta franchise, which has garnered attention for its intricate plots and character development. The movie features a cast that includes Keiju Kobayashi, Haruka Sugata, and Megumi Kobayashi, among others, contributing to the film's engaging storytelling and performances.