A new batch of female convicts arrive in an austere women's prison. These include
Nicole, who murdered her own child, and who is forced to in solitary confinement for her
own safety. Other women at the prison have their own problems. Nelly, who
is studying for a degree, becomes the victim of malicious plot involving drugs, whilst
another woman, Marthe, is victimised because of her privileged relationship with the prison's
governor, Madame Dessombes.
In the 1940s, the shadowy, skewed visual style of 1920s German expressionism was taken up by directors of American thrillers and psychological dramas, creating that distinctive film noir look.