Among the corners to be turned this week are the successful attempt by Candy (Maggie Gyllenhaal), former prostitute and current aspiring porno filmmaker, to mount an X-rated, yet somehow artistic, version of a fairy tale. The source material she chooses is “Little Red Riding Hood.” And while I haven’t previewed this episode, I can easily imagine Little Red Riding Hood’s sense of wonder when she visits the Wolf in disguise: “My, grandma, what a big [noun deleted] you have!”