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.

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Main Cast: Hiroshi Tamaki, Alice Hirose, Hikari Ishida, Jun Kaname, Mitsuki Tanimura, Eisaku Yoshida, Hisahiro Ogura, Yasufumi Terawaki, Yū Kamio, Yukijiro Hotaru

Director: Seiji Izumi

Writers: Kenji Nakanishi, Yasuo Hasegawa

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Cinematographer:

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