A series of ghastly murders are being committed. The one similarity in each of the murders is that a strange buzzing sound is always heard right before the murder occurs. Is the killer invisible or possibly some other incredible creature?

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Main Cast: Yoshirō Kitahara, Junko Kano, Ryūji Shinagawa, Ikuko Mōri, Jōji Tsurumi, Yoshihiro Hamaguchi, Shōzō Nanbu, Bontarō Miake, Ichirō Izawa, Shizuo Chūjō

Director: Mitsuo Murayama

Writers: Hajime Takaiwa, Toshikazu Yamano

Editor: Isao Natori

Cinematographer: Hiroshi Murai

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