Delphine ou Les plaisirs simples

Delphine has two sides in her life. During the time she is a devoted activist volunteered to exchange letters with prisoners. In the night she attends ‘sex lessons’ performed by Prof. Christophe. One day, Frank, one of the inmates she replaced letters, is released. He begins residing with her and her roomie Angella. Christophe seems uneasy about it.