Already a divorced mom while still in her teens, Joan Bennett (Zooey Deschanel) becomes a movie actress out of financial necessity, but she struggles to define herself as a star. Her life takes a turn when she falls in love with Walter Wanger (Jon Hamm)--an independent producer and champion of progressive politics who wants to change Hollywood from within. Also featuring, Griffin Dunne as Jennings Lang, Mara Wilson as Constance Bennett, and Adam Mortimer, as Richard Bennett.