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.
Kiyoshi Mitarai
Miyuki Ogawa
Kanako Takizawa
Junichi Kosakai
Yoko Tatsumi
Kunihiko Makita
Yusaku Kuroda
Kenji Natsushima
Shuzo
Kohei Tominaga
Kitaoji
Takamitsu Kutsuna
Seiji Haruyama
Hiroyuki Mitsuhashi
