Physicist Manabu Yukawa returns to Japan from America. Detective Kaoru Utsumi visits him and talks about a case. The case is about a popular girl in a town who disappeared and, several years later, her body was found. A suspect was arrested for her murder. That suspect was previously arrested for another girl's murder, but he was released due to a lack of evidence. Detective Shunpei Kusanagi investigated the prior murder case. The same suspect was then released due to a lack of evidence for the most recent murder case. The released man returned to his town, where everybody hated him. On the day of the autumn festival parade, the man was killed. Physicist Manabu Yukawa, Detective Kaoru Utsumi and Detective Shunpei Kusanagi work together on his case.
| Actor | Role |
|---|---|
 Masaharu FukuyamaManabu Yukawa | Manabu Yukawa |
 Ko ShibasakiKaoru Utsumi | Kaoru Utsumi |
 Kazuki KitamuraShumpei Kusanagi | Shumpei Kusanagi |
 Kippei ShiinaNaoki Niikura | Naoki Niikura |
 Rei DanRumi Niikura | Rumi Niikura |
 Yoh YoshidaMaya Miyazawa | Maya Miyazawa |
 Hiromasa TaguchiShusaku Tojima | Shusaku Tojima |
 Naho TodaMachiko Namiki | Machiko Namiki |
 Amane OkayamaTomoya Takagaki | Tomoya Takagaki |
 Jun MurakamiKanichi Hasunuma | Kanichi Hasunuma |
 Kazuki IioYutaro Namiki | Yutaro Namiki |
 Yoshi SakōEiji Masumura | Eiji Masumura |
 Asuka KawatokoSaori Namiki | Saori Namiki |
 Natsuki DeguchiNatsumi Namiki | Natsumi Namiki |