Aoyama’s entry into the long running series of Mike Yokohama detective films: Private eye Mike Yokohama is the central character, who undertakes an exhaustive search for the daughter of a rich businessman. But as Yokohama’s snooping leads him out to the woods, where he believes the errant girl may have joined a strange commune. His investigation takes a bizarre turn as he uncovers some abstruse activities taking place in the dank woodland.