The movie follows two female British officers (played by Maria Lease and Kathy Williams) who volunteer to enter a Nazi camp undercover in order to gain information from, and possibly rescue, an inmate. The camp's female inmates serve as prostitutes for German officers and are subjected to humiliating treatment, torture, and rape. When the two female agents learn that their target is being held in solitary detention, one of them arranges to be punished so that she can make contact. This leads to Lt. Harman (Maria Lease) being stripped and strung up by her wrists. The target uses her body to free Harman and they attempt their escape. The escape plan ends in a climactic battle. The movie shows female full frontal nudity for a majority of the film.
The movie is seen as a cult classic, as it represents the beginnings of a series of exploitation films about women in prison in the 1970s, such as Women in Cages (1971) and The Big Bird Cage (1972), both of which made Pam Grier a recognizable name in the genre. It is also the first in the Nazi exploitation (or Nazisploitation) genre of concentration camp movies, including the Canadian Ilsa: She-Wolf of the SS (1974) which was produced by David F. Friedman and led to several sequels with Dyanne Thorne as the titular character, and the Italian Nazi Love Camp 27 (1977) and Last Orgy of the Third Reich (1977), the latter of which helped launch Danielle Poggi's show business career.
It has been declined a certificate by the British Board of Film Classification and the New Zealand Office of Film & Literature Classification.