December 1905: Elizabeth falls for a young German baron, whom her father is suspicious of. Richard quickly uncovers the Baron's secret, but as it turns out, Baron Klaus von Rimmer is hiding another secret, which Rose accidentally stumbles upon. The events of the evening compel one of the servants to betray not only the family, but the country as well.

Autumn 1908: While providing food for the homeless, James and Elizabeth are surprised to run into Sara whose been living on the street. Elizabeth insists on taking her back to Eaton Place where she's given a job as a scullery maid. Sarah immediately reverts back to her old tricks and, claiming to be a medium, causes an uproar when she tries to conjure up the spirit of Emily during a seance.

Elizabeth comes home for Christmas without Lawrence. The Bellamys face another family crisis when it is discovered that Elizabeth is expecting a baby.

Everyone's nerves are frazzled when Lord Southwold dies, Lady Southwold and her companion, Miss Hodges, spend a some time with Richard and Lady Marjorie and a valuable diamond brooch goes missing.

Alfred, the former Bellamy footman, is on the run and dupes Rose and uses her kindness as a shield from the law.

A leisurely evening out with his chums, a few beers and some downstairs gossip give Edward a bigger headache than any hangover ever could.

While running an ordinary errand, Rose's life takes an extraordinary turn.

The sinking of the Lusitania has Hudson on a tirade and his anti-German fervor pervade the servants hall. Upstairs, Richard is made Civil Lord of the Admiralty in the newly-formed coalition government.

The reappearance of Gregory Wilmot throws Rose into a tailspin. Lady Prudence butts heads with Helen over a tea party for wounded officers.

Grasping at straws, the Bellamy family continue to search for any information to indicate James is still alive, but when Trooper Frederick Norton, James' servant, arrives to deliver James' personal belongings, Hazel loses all hope.

As Britain tries to rebound from the war, James Bellamy runs for political office. Edward and Daisy are struggling financially but realize they have friends who love them at Eaton Place.

The entire household comes together when a General Strike is called throughout Britain in May 1926

On the eve of an important dinner party for a French diplomat, Hudson suffers a heart attack.

James returns to England, with new found vigor and untold wealth, on the eve of the October 1929 stock market crash.

Part two of a documentary on the making of Upstairs, Downstairs. Directed by Stephen La Riviere.