Detective Mitarai's Casebook: The Clockwork Current

Original title: 探偵ミタライの事件簿 星籠の海

Directed by Seiji Izumi

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.