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.

When dictator Joseph Stalin dies, his parasitic cronies square off in a frantic power struggle to become the next Soviet leader. As they bumble, brawl and back-stab their way to the top, the question remains — just who is running the government?