The Key is a 2014 American erotic drama film written and directed by Jefery Levy, loosely based on Jun'ichirà  Tanizaki's 1956 novel. It stars David Arquette and Bai Ling as a disenchanted married couple whose sexual relationship is told through their personal journals. It was released in the United States on November 21, 2014, and on DVD on July 16, 2015.