Storyline

A man's corpse is discovered near a sea wharf in Tokyo Bay. You must investigate the victim's identity and learn about related events in Hokkaido. A 2nd and 3rd murder occurs one after another while you starts investigating with Shunsuke Saruwatari, a detective from the Kushiro station. You must discover the criminal's motivation. An examination of the relation between the victims exposes a important details from the past.