Caged Heat | 1974
A women's prison is run by a sadistic, wheelchair-bound woman named Barbara Steele. When convict Erica Gavin is falsely accused of trying to escape, she is subjected to torture. Later, Erica and Juanita Brown do attempt an actual jail break, but return to save their friend who is going to be lobotomized by the cruel prison doctor. Erica and Juanita then plan a robbery, but get to the bank to find that a gang of male robbers have beat them to it. Eventually, their time in the hellish prison culminates in a bloody shootout.