London, 1956. Genius actor and film director Laurence Olivier is about to begin the shooting of his upcoming movie, premiered in 1957 as The Prince and the Showgirl, starring Marilyn Monroe. Young Colin Clark, who dreams on having a career in movie business, manages to get a job on the set as third assistant director.
The beloved Crawleys and their intrepid staff prepare for the most important moment of their lives. A royal visit from the King and Queen of England will unleash scandal, romance and intrigue that will leave the future of Downton hanging in the balance.
The Crawley family goes on a grand journey to the south of France to uncover the mystery of the dowager countess's newly inherited villa. Meanwhile, a Hollywood director seeks to film his latest production at Downton.
