Ryokichi Ibuki is a clerk who learns company "top secrets" and becomes an industrial blackmailer. Kaoru Koizumi, a confidential secretary in love with Ibuki, reveals her firm's plans to him. She resigns when Ibuki blackmails her employer but Ibuki gains another spy in Ayuko Ichinoi...
| Writing | Toshiyuki Kajiyama | Original Story |
| Writing | Kozo Taguchi | Screenplay |
| Directing | Shigeo Tanaka | Director |
| Camera | Michio Takahashi | Director of Photography |
| Sound | Yukio Okumura | Sound Recordist |
| Lighting | Gentarô Takuma | Lighting Technician |
| Art | Takashi Senda | Art Direction |
| Sound | Chūji Kinoshita | Original Music Composer |
| Visual Effects | Yonesaburo Tsukiji | Special Effects Supervisor |
| Editing | Tatsuji Nakashizu | Editor |