The struggles of a group of outcasts living in "Yentown", in an alternate-future Japan.

The two most famous Japanese mystery characters have come together to solve a crime. A year ago, a man was trying to commit suicide by jumping off a police station building. He was rescued by two men who happened to be the well known Akechi Kogoro and Kosuke Kindaichi. The famous duo were asked to be witnesses and provide information for the police record. From the surface, it was a simple case of suicide. However, soon after the incident, the police lieutenant committed suicide in his office. Slowly from the gathered evidence, the two most unlikely cases are being linked.

Years after moving to Tokyo with her parents, Hinako returns to her hometown in rural Shikoku. She soon learns that her childhood friend, Sayori, died several years ago and that Sayori's mother, who used to perform seances and exorcisms, has gone almost insane with grief. After seeing Sayori's ghost several times during the night, Hinako consults with some local experts on the paranormal and discovers that Sayori's mother has something planned for her daughter...