Collaborating with mad genius Fritz Lang, Joan (Zooey Deschanel) and Walter (Jon Hamm) hit the peak of both their careers and their marriage. After the success of the ultimate S&M noir Scarlet Street, Joan continues to play femme fatales on-screen, while cultivating an image as the perfect housewife and mom off-screen. But, with one misbegotten psychosexual noir, the partnership with Fritz Lang falls apart. Suddenly, everything Joan and Walter have built will be in peril.