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 Tamaki
Alice Hirose
Hikari Ishida
Jun Kaname
Mitsuki Tanimura
