前2作とは異なり、今回は都会(けもの部屋)が舞台となる。刑務所を脱獄したナミは、売春婦のもとに身を寄せる。ナミは町のヤクザの情婦カツからリンチを受ける。ナミは夜の女たちの“怨“を背追い、ドスを手にする……。Sasori is outside the prison and on the run from the police, wanted for breaking out of prison and murder. She takes refuge with a woman who has a brother with a learning disability. The woman and her brother are also involved in an incestuous relationship. Both the police and an ex-prison mate of Sasori's pursue her.