There is something about the South of France that is luring the Crawleys in; the fact that the dowager countess has mysteriously inherited a new property there is also quite an attraction. Meanwhile, a film production decides to make Downton its backdrop. Suddenly awash with the starlets and production people of the roaring 1920s, the huge house has never seen so much action in its existence. As the staff works to maintain normalcy, new and modern realities make themselves known.