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This weekend sees Sue Johnston make her first appearance in Downton Abbey, and here we have a sneak peek at her new character.

On Sunday night, Violet, Dowager Countess of Grantham (Maggie Smith) introduces her new maid Miss Denker (Sue) to Isobel Crawley (Penelope Wilton).

Following last week’s altercation, relations between Robert and Cora are strained. Blake’s scheming starts to come to fruition, when Mary is unexpectedly pitted against her love rival.

Edith receives some terrible news and decides to take drastic measures, leaving people reeling.

Following a mysterious tip off, Baxter becomes embroiled in the investigation of Green’s death.

Meanwhile, Thomas’s condition is deteriorating, prompting him to finally reveal the truth to Baxter.

It’s not all bad news however; love is in the air for more than one member of the Crawley family.