The third season of the popular series, which stars Jeremy Piven as the flamboyant American entrepreneur who founded the famous Selfridge's department store, picks up the story in 1919. The acclaimed cast includes Aisling Loftus, Katherine Kelly, Gregory Fitoussi, Amanda Abbington and Tom Goodman-Hill. Surprising accomplices turn up in the search for Kitty's assailants. Agnes and Henri call it quits, and Harry and Nancy reach an understanding.