Private Detective Kiyoshi Mitarai and Miyuki Ogawa arrive in Fukuyama, Hiroshima Prefecture. They are interested in a case which involves discovered bodies. The bodies were found drifting in the Seto Inland Sea, where the currents repeat every 6 hours.
Hiroshi TamakiKiyoshi Mitarai
Alice HiroseMiyuki Ogawa
Hikari IshidaKanako Takizawa
Jun KanameJunichi Kosakai
Mitsuki TanimuraYoko Tatsumi
Eisaku YoshidaKunihiko Makita
Hisahiro OguraYusaku Kuroda
Yasufumi TerawakiKenji Natsushima
Yū KamioShuzo
Yukijiro HotaruKohei Tominaga
Norihito KanekoKitaoji
Tōru ShinagawaTakamitsu Kutsuna
Ryuji KatagiriSeiji Haruyama
Kunito WatanabeHiroyuki Mitsuhashi
