Black Mama White Mama

Black Mama White Mama is a 1973 women in prison film with elements of blaxploitation, starring Pam Grier and Margaret Markov, and directed by Eddie Romero. The film is also known as Women in Chains, Chained Women and Hot, Hard and Mean.

Prone to emotional outbursts, she orders a guard to escort Lee to her private room, puts on a black glove and strikes Lee across the face, but is almost immediately restrained when the levelheaded warden Logan Laurie Burton, with whom she has a lesbian relationship, forcibly enters the room and orders Lees return to the prisoners area.Following a fight in the prisoners meal hall between Lee and Karen, which spreads into a freeforall, the two are punished by lockup inside a metal box, nicknamed the oven and exposed to the broiling tropical sun, with only enough space to stand backtoback. ........

Source: Wikipedia