**Ron Howard's Inferno.** Dan Brown has made a lot of money from his mystery books, and his popularity has meant that virtually all of his stories have been ported to the big screen. For this film, Ron Howard adapted Brown's fourth novel, set between Florence, Venice and Istanbul. In the script, Robert Langdon wakes up in a hospital in Florence and discovers that he has been attacked and shot, and that he is being pursued because he knows something important, but has lost his memory. I mean, he knows as much as we do! He will be aided by an attractive doctor who will help him understand wha...