A hard-bitten Japanese P.I. and a scientist's daughter travel to Australia to unravel the mystery of a sentient biochip! A secret research project has gone awry, and both the biochip and Eiko Hirgure's father have disappeared. Together with detective Happo Mitsuri, they uncover an increasingly tangled trail. Who is the mysterious stranger who contacts Happo? What is the sinister organization following the proceedings? And what does a mermaid have to do with all this?