Mayumi is sent to jail after brutally attacking her partner and his mistress. Sent to live in Cell 31, the women there couldn't be more different... they are very religious, sing hymns and discuss the Bible. A fight with a rival cell block starts a bloody and vicious war in the jail... one where the warden and guards seek vengeance on the women with brutal torture and sexual humiliation. When a new inmate arrives and Mayumi recognizes her, all hell breaks loose!
Direction
Ohara's sprint through religious imagery and torture in under 70 minutes.
Production
Cell 31 vs. rival block: low-budget warfare at its most inventive.

Director
Kōyū Ohara
Trivia, insights & behind the scenes
Part of Nikkatsu's 'roman porno' line, which kept the studio afloat in the 1970s by blending softcore with genre experimentation like prison films.
Hitomi Kozue was one of the era's most prolific pink film stars; this was one of four films she made in 1976 alone.
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