Tanaka is going through a tough time trying to support his younger sister Mitsuko, recently arrested and hold up in jail. As an investigative reporter, he immerses himself into a story about a shocking murder case gone cold; a family was brutally murdered a year ago and the case remains unsolved.

Tanaka is going through a tough time trying to support his younger sister Mitsuko, recently arrested and hold up in jail. As an investigative reporter, he immerses himself into a story about a shocking murder case gone cold; a family was brutally murdered a year ago and the case remains unsolved.