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.
In the Edo era, two man arrive in a village and engage in criminal activity. While one of them becomes successful and rich, the other gets betrayed and ends up in prison, burning for revenge. The truth changes with the viewpoint in this Wakamatsu film, which has inspired comparisons to Rashomon.