TSUNEISHI GROUP

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.

Four high school girls, who are part of the legendary theatrical group known as "Rashinban," stops performing due to the sudden death of one member. Four years later the explanation of the girl's death is revealed and the other girls start a plan for revenge...