The family receive a warm welcome at Duneagle Castle when they visit Rose and her parents in the Highlands. But there is no disguising the tensions between their hosts. Back at Downton, Carson is determined to keep the servants working hard, but with a country fair coming up, will some be tempted to push their luck? Could romance be on the cards for Mrs Patmore?

Preparations are under way for Rose's wedding, but family tensions on both sides threaten to derail proceedings. Edith's arrangement with Marigold is happily working out, but how long can she and Cora conceal the truth from Robert? Denker reveals an unexpected side to her personality, which causes trouble for more than one of the servants. With the war memorial due to be unveiled, Mrs Patmore is still upset, but Robert has something up his sleeve. Branson comes to a heart-wrenching decision, and the storm clouds that have been gathering over Anna and Bates finally burst.