Andrew Scarborough

Mark Antony runs Rome while Caesar pursues Pompey; Pullo takes Octavian to a brothel; Atia tries to mend fences with Servilia.

In the summer of 1923, Rose is presented at Buckingham Palace and has her coming out ball at Grantham House.

Rosamund arrives at Downton following Edith's shocking departure; Edith's secret may be exposed to the family; Rose is delighted to introduce Atticus and his parents to Downton for the first time.

Mary's past catches up with her when an unwelcome visitor delivers an ultimatum, and news about the running of Downton Hospital sets Violet on the warpath.

Simon Bricker returns to Downton to discuss the painting with Cora, but this time his flirting may have crossed the line. Branson makes a difficult decision about Sarah Bunting, and Rose encounters a handsome stranger.

Robert and Carson are dismayed when a Labour government comes to power in the general election of 1924; Lady Mary receives another proposal from Tony Gillingham.