Akira works as a lawyer. One day, he meets with his former client Rie, who asks Akira to perform a background check on her late husband Daisuke.

Four pianists take part in the preliminary round of an international piano playing competition. Each has a story that is different and unique. One is a former child prodigy who stopped playing when her mother died. One is a Julliard student. One is a new face and yet comes recommended.

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.