True Story of a Woman in Jail: Hell of Love (1976)

新・実録おんな鑑別所　恋獄

aka 地下城与勇士之破界少女 · Brave The Darkness: The Breakthrough Girl · 地下城與勇士之破界少女 · Di Xia Cheng Yu Yong Shi Zhi Po Jie Shao Nv

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!