After the death of the heir, Violet wishes that Robert's daughter Mary could inherit Downton Abbey.

An exciting offer for Edith divides opinion in the house. Isobel ends up throwing Ethel a lifeline. Ivy is attracting plenty of attention below stairs. Anna’s perseverance finally pays off for her.

Tempers are left on edge after a kind gesture by Isobel backfires. Mary attempts to fight Branson's corner after his decisions are put under scrutiny. Robert and Cora's relationship feels the strain and Violet attempts to make them see things differently. Some extreme measures are taken by Bates.

It's a good day as Anna's patience is rewarded and Edith gets some admiration from an unexpected quarter. Matthew refuses to back down over the estate management. Branson's plan for the christening causes some consternation, as does the sudden arrival of his brother.

It's grouse shooting season and Rose’s father-in-law, Lord Sinderby, has rented out Brancaster Castle in Northumberland and invited the Crawley family to a shooting party. While good sport is enjoyed, Stowell has an axe to grind and a scandalous secret threatens 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.