An erotic film that vividly depicts the inner workings of a women's prison. A young and beautiful female instructor has a physical relationship with the warden, but she also acts as a spy for him. Posing as a prisoner, she infiltrates the cells, cleverly discovers the secrets of the prisoners, and reports them to the warden.
| Camera | Yûichi Nagata | Director of Photography |
| Writing | Banmei Takahashi | Screenplay |
| Directing | Banmei Takahashi | Director |
| Lighting | Hajime Isogai | Lighting Director |
| Editing | Shōji Sakai | Editor |
