Behind the scenes in a prison with a very special code of conduct Softness and hardness: the staff of this mixed-gender prison apply these two precepts to the letter to maintain order and subdue inmates Liza, the prison nurse and a blatant nymphomaniac, has become popular with the prisoners for a good reason: when it comes time for medical visits, these men deprived of their freedom and sex know that their beautiful nurse will never be happy with just a few quick auscultations She gives her entire body over to science and offers herself to two cellmates in a first scene thats so steamy it boils! Later, we will discover that Liza is hiding an even more lustful secret: at night, she slips into the cells and participates in savage orgies.