Miller wrote a screenplay neo-screwball comedy, called Maggie's Plan. based upon an original story by Karen Rinaldi. Miller directed the film, shot primarily in Greenwich Village, in 2015. Maggie's Plan premiered at Toronto International Film Festival Special Presentations, and screened internationally, at the New York Film Festival, Montclair Film Festival, Berlin Film Festival, Dublin International Film Festival, San Francisco International Film Festival, USA Film Festival/ Angelika Film Center Dallas, Denver Film Critics Society Women+Film Festival Miami International Film Festival, and Sundance Film Festival. Sony Pictures Classics distributed Maggie's Plan in theaters. The ensemble cast includes Greta Gerwig, Julianne Moore, Ethan Hawke, Bill Hader and Maya Rudolph. Critic Richard Lawson praised Maggie's Plan as "A smart, goofy delight!" Maggie's Plan was released in movies theaters in 2016.