Its the grouse season and Rose’s father-in-law Lord Sinderby has rented Brancaster Castle in Northumberland and invited the Crawleys to a shooting party. While good sport is enjoyed, a butler with an axe to grind and a scandalous secret threaten to undermine the holiday. Surprises are in store as the families become better acquainted with each other and some new faces arrive on the scene.

Meanwhile, the servants hold the fort back at Downton and unlikely later-life romances abound. As Anna faces an uncertain future behind bars, Bates takes drastic measures in a bid to clear her name. The seasons change and another Christmas is enjoyed at Downton Abbey. As the family and their servants revel in the festivities, there will be romance, a heart-breaking farewell, sad memories of loved ones lost and a joyful reunion…