Satsuki, a high school student living in the countryside, travels to Tokyo to find out the truth about the death of her sister Kiyomi, who has apparently been murdered by her own boyfriend.

A famous businessman's links with organized crime are looked into by the Zero Division of the Tokyo Police, with the investigation being headed by a highly trained, extremely violent and very beautiful female officer. When not having shoot-outs with the crime syndicate thugs trying to kill her, she spends most of her time in her apartment, wearing lingerie and taking showers. A sub-plot involves the businessman's S&M-obsessed daughter.

Zero Woman: Final Mission

A wanderer and his son arrive on an obscure northern island of Japan, causing the village of Pu to fall into disarray.