Since the arrival of the Black Ships, the Tokugawa Shogunate's dream of peace has been shattered, and the succession problem of the ailing Shogun Iesada has become a headache. At the same time, Tamamo, a prostitute in Yoshiwara, is dismissed from her position at the behest of a high-ranking noble family who has come on a secret mission.

Yuki returns to her hometown after several years. She has been away ever since the tragic events surrounding her abusive older husband. While in town she barely escapes the sexual advances of an old friend and accidentally comes across a scene that repels and excites her. Through an open doorway she spies a woman bound with rope. Thus begins her descent into the world of submission and pleasure.

Shizuka is the aristocratic wife of the president of a large company. When she wants to divorce her domineering husband, he orders his employee Yoshi, the son of an adult toy store owner, to train his wife to become sexually submissive.

"Jealous" man-killer Mayumi (Hitomi Kozue) is sent back into solitary confinement after being re-arrested for the murder of the doctor who fingered her for a botched surgery. After emerging from solitary confinement to find an all-new gang of bullies picking on a meek, young female prisoner, Mayumi is now a much harder soul who takes no attitude from anyone, and she turns savage when the poor girl is enslaved by Yakuza.

Kiyomi, a popular hostess at a bar in Shinjuku, has a traumatic childhood that makes her only sensitive to sexual intercourse with women. One day, the girl she loved as a junior hostess betrayed her and slept with her man. Uncomfortable with men, Kiyomi "swaps places" during sex with her new girlfriend, a trans woman Kaoru.

Yuko (Masumi Jun) is the number one, top-grossing prostitute operating at Paradise Bath House. She's a smart girl, a college graduate. Kaneyo, her second best, is not happy about this. After a few confrontations between the two whores, they have an impressive fight in the soap suds. A new girl arrives, Kinuko (Yuri Yamashina) who is instantly popular with all the gents due to her soapy-hand technique. The calm days at Paradise bath House seem to be back, only their male customers are being robbed, with evidence falling either on Yuko or Kaneyo.

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Three sisters live alienated existences in modern day Tokyo. One works as a secretary, one is a prostitute, and one is a criminal. The secretary is cynically unhappy with the sexist business world which limits her opportunities for advancement and makes her a target for her lecherous boss. The prostitute lives an aimless life, drifting between men, and often the target of either police or jealous wives. The criminal, who lives by disrupting the society which oppresses her two sisters, is the only happy one of the three.

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