The kunoichi Ajisai captures the criminal Gamo, the man who has been kidnapping the village girls. In doing so, she discovers that there is someone else behind him, a corrupt merchant named Echigoya. Ajisai infiltrates the mansion disguised as a servant with intentions of seducing Echigoya, but he already knew her intentions. Echigoya uses obscene methods, aphrodisiacs and torture, to mentally break Ajisai.