Caged Heat (1974)

A young woman is convicted on drug offenses and sent to a women's penitentiary run by a repressed and oppressive female warden. When the prison's sadistic doctor begins conducting illegal "therapeutic" experiments on the inmates, the ladies plot their revenge.

Directed by: Jonathan Demme

Starring: Juanita Brown, Roberta Collins, Erica Gavin, Ella Reid, Cheryl Smith, Barbara Steele

Links: IMDb, Movie posters, Movie stills