1975, USA. Directed by Radley Metzger. Starring Mary Mendum, Carl Parker and Marilyn Roberts. Novella published 1956, France, by Jean de Berg.The 1970’s. In that creative gap between cheap and brief “stag films” forced underground by strict obscenity laws and the oncoming aesthetically cheapening effects of videotape, many a beauteous and beatific porn film blossomed.…