Julia, enceinte de quelques semaines, découvre chez elle le corps ensanglanté de deux hommes. Incapable de se souvenir du meurtre, elle est incarcérée dans une prison pour jeunes mères. Condamnée, Julia sait qu'elle ne pourra garder son fils près d'elle que 4 ans. Un jour, la mère de Julia vient emmener le garçon. bouleversée par cette séparation, elle tentera tout pour le récupérer.
Trois femmes s'évadent d'un pénitencier. Au péril de leur vie, elles montent une opération de commando pour délivrer leur amie restée aux mains de geoliers sadiques...
Nan Taylor (Barbara Stanwyck) is a member of a gang of bank robbers, posing as an regular customer to distract the security guard while her accomplices take the money. Her cover is blown by a policeman who had arrested her before, and she is arrested. Reform-minded radio star David Slade (Preston Foster) falls in love with her and gets her released as a favor from District Attorney Simpson (Robert McWade). However, when she confesses that she is guilty, Simpson has her imprisoned.
Une jeune femme rêvant d'être chanteuse d'opéra est envoyée en Afrique par son agent. Là-bas, elle se fait passer pour une indigène. Rapidement, un homme très important dans le monde de l'opéra tombe sous son charme, la prend sous son aile et décide d'en faire une vedette aux Etats-Unis.
Blossom (Pam Grier), a buxom bad girl, is the rough-and-ready girlfriend of a radical guerrilla leader, Django (Sid Haig). She rather keeps her relationship a secret, but is also quick to start a fight without knowing it. However, when Django's mercenary friends itch for some female companionship, she softens and the two devise a plan to liberate the inmates of a local women's prison. A woman named Terry (Anitra Ford), a social climber, ends up in the prison herself because of Blossom and Django's earlier robbery. She is now forced to deal with crazy inmates, gay guards, and torture of the cage. Terry, Blossom, and Django (who busted in by seducing Rocco, one of the guards) eventually come together to face off against the warden Zappa (Andrés Centenera) to stage an explosive breakout.
Sasori is outside the prison and on the run from the police, wanted for breaking out of prison and murder. On her trail is detective Kondo (Mikio Narita). 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.
La fin de la Seconde Guerre mondiale approche et le régime nazi s'effondre petit à petit. Dans un camp de la mort réservé aux juives, les jeunes filles subissent les pires tortures. Les plus désirables sont forcées à se prostituer tandis que les autres sont les cobayes d'expériences malsaines dirigées par le sadique colonel von Kleiben. Jadis castré par une russe après l'avoir violée, il cherche à se greffer, avec l'aide contrainte d'un chirurgien juif, un nouveau sexe qu'il choisit parmi ceux de ses plus beaux officiers. Afin de choisir les meilleurs testicules, il teste les éventuels donneurs en leur demandant de se reproduire avec les prisonnières.
Nami Matsushima is locked up and bound in underground solitary confinement. She makes a weapon out of a spoon by holding it in her mouth and grinding it against the concrete floor. The chief warden, Goda, is to be promoted to a higher post shortly. When an inspector visits the prison, Matsushima is brought out of confinement for one day. During the inspection, Matsushima makes a surprise attack on Goda and scratches his face. The other prisoners start to riot, but the guards defuse the situation. The prisoners are punished by being sent to an intensive labour camp. Goda believes that Matsushima may inspire the other prisoners to revolt. He assigns four guards to publicly rape her. Returning from the intensive labour camp, Matsushima is in a van with six other convicts, one of whom is Oba (Kayoko Shiraishi). The other convicts beat Matsushima, who falls lifeless and bleeding. The guards are alerted that Matsushima is feared dead. When they stop the van to inspect her, Matsushima strangles and kills one of the guards, and Oba and the other convicts get the other guard and blow up the van. When Goda sees the van's ruins, he sends search parties to look for Matsushima.
Nami Matsushima (Meiko Kaji) is set up by her boyfriend, a crooked police detective named Sugimi (Isao Natsuyagi) to win favor with the Yakuza. She is raped by several drug dealers. She makes a failed attempt to stab Sugimi on the steps of the Tokyo Metropolitan Police Headquarters. She is sentenced to do hard time in a women's prison. Matsushima is given the number 701. The prison is run by sadistic and lecherous male guards. The prisoners are forced to walk up and down a stair-like contraption naked with male guards watching from below. While in prison she meets inmates like Yuki Kida (Yayoi Watanabe) who was committed for fraud and theft, Otsuka (Akemi Negishi), jailed for burglary and extortion, and Katagiri (Rie Yokoyama) who has been impounded for arson and illegally disposing of a body. On the outside, Sugimi and the Japanese mafia orchestrate a plan in which Matsushima will succumb to an "accidental" death in prison. They enlist the help of Katagiri, pulling on her ties to both Sugimi and the mafia, and quickly set their plan in motion.
Ilsa (Dyanne Thorne) works as the warden in a psychiatric hospital for young women. Unbeknownst to her, patient Abby is actually the sister of Rosa, one of the hospital's other patients. Abby has lied in order to get herself admitted in order to find out what has become of her sister and to hopefully rescue her. However she is also unaware that Ilsa uses the hospital's inmates to create pornography, often against their will. Abby finds herself at the mercy of Juanna, Ilsa's lover and leader of several of the hospital's inmates. Juanna tries hard to make Abby respond to her advances, but soon begins to exploit Abby after she refuses to become Juanna's lover.
En Italie, durant la Seconde Guerre mondiale. Les Nazis traquent des partisans italiens réfugiés dans les montagnes. Pour obtenir des informations, les Allemands séquestrent des femmes dans un château où elles sont torturées par la doctoresse et l'officier SS Ellen Kratsch. A l'intérieur de l'édifice, des tortures innommables sont menées sur les prisonniers sous son commandement. Belle et perverse, elle jouit des sévices qu'elle impose à ses victimes tout en menant en parallèle une expérience scientifique. Ses recherches l'ont conduite à transformer un cobaye en monstre hybride, mi-homme mi-singe. Afin de faire parler ses prisonnières, elle n'hésite pas à les enfermer dans sa cage où la créature les viole puis les dévore.
Ombline est une jeune femme d'une vingtaine d'années, impliquée dans une opération de police qui a mal tourné où son compagnon a trouvé la mort et où elle a blessé un policier. Incarcérée pour trois ans, elle découvre qu'elle est enceinte et donne naissance à Lucas en prison où elle doit apprendre à l’élever. À 18 mois, l’enfant est placé en famille d’accueil comme la loi l’exige. Séparée de son fils, parmi ces femmes abîmées, surveillantes ou prisonnières, Ombline se construit en tant que femme, en tant que mère… Elle va se battre dans le seul espoir de récupérer la garde de Lucas à sa sortie de prison…
Dorothy "Dot" Burton (Faye Emerson) is a member of a gang of bank robbers. Using her femininity and a cute dog provided her by her male cohorts who dognapped him, she is able to enter a bank before opening time, leaving the door open and the bank guard holding her dog, thus enabling a successful robbery. When police interfere with the getaway she faints and proclaims her innocence, however the police have strong doubts as "her" dog won't come to her and has a different name on his collar than what she calls him. After she confesses to her part in the robbery, she is sent to women's prison where she makes enemies of fellow inmates seeking Dot's share of the money.
Christine Carlson (Linda Blair), an American college student, travels to West Germany to visit her fiancé Mike (William Ostrander), who is serving in the US Army there. She tries to convince him to marry her promptly, but he chooses to delay marriage in order to re-enlist. Distraught by Mike's decision, Christine takes a late-night walk where she witnesses a kidnapping by the East German Stasi and gets kidnapped herself as well. She is transported to the East Zone, where she is brutally interrogated by the Stasi, forced to admit to false charges of espionage, and thrown into a women's prison with the common criminals, including the gang leader Sofia (Sylvia Kristel), who is the prisoners' "top bitch" and has de facto control of the entire prison population. Sofia takes pleasure in brutally tormenting and harassing Christine, until the latter loses her patience and fights Sofia in a no-holds-barred brawl. Meanwhile, Mike is determined to free his beloved, and tries to get the US Army and the West German BND to help him. At first they refuse, but ultimately they reluctantly go along with his plans and help him free Christine.