Eaton Place is enveloped with uncertainty. Edward and Daisy have moved on and been replaced with Frederick Norton, James' servant from the war, and Lily. The newlyweds, Richard and Virginia, and her children, Alica and William, have plans to move into their own home. There's not enough work to keep everyone busy and the house is far too large for James to live there alone, so he decides it's time to sell the house and gives the servants a month's notice.

After James' Letter to the Editor garners strong public approval. the conservative Tory party, hoping to cash in on his moment of popularity, invite him to run for Parliament as a Tory. James accepts but everyone soon realizes that his progressive views for moving the country forward are not aligned with the party views which want to go back to the way things were before the war. Meanwhile, Edward and Daisy are struggling financially but realize they have friends who love them at Eaton Place.

Georgina and her cohort throw a bacchanal at Eaton Place, with tragic consequences. Miss Treadwell, a governess for the children, joins the household.

When James buys a small airplane, Virginia defies Richard, putting the entire household through quite an ordeal.

Spring 1922: When William goes off to Prep School, Rose gets Alice a new puppy so she won't be lonely, but when Richard and Virginia go on holiday and leave Miss Treadwell in charge, the entire staff lines up against her when she tries to dispose of the "filthy creature".

James and Lady Diana Newbury behave foolishly, with little regard of how it impacts others. Edward is in trouble with Daisy when he's caught in a lie.

Spring is in the air and Hudson has found love, but it comes at a price for the household. In the end, the object of his affection makes a sacrifice for him.

(Audio commentary available on some DVDs). An influential industrialist showers attention on Virginia, and there's another member of the household being courted, Ruby.

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.

Frederick considers his future when he feels his talents are largely wasted in the Bellamy household.

Hudson is back in his element when the Bellamys travel to Scotland for their summer holiday.

After an evening of dissipated behavior and a reckless drive into the countryside, Georgina must appear at a coroner's inquest, when one of the locals is killed.

Better the devil you know than the one you don't is the lesson Mrs. Bridges and Ruby learn after a terrible row. Upstairs, Lord Stockbridge proposes to Georgina, but there's a catch.

(Audio commentary available on some DVDs). The Wall Street crash hits Eaton Place. October, 1929. After making a killing on Wall Street, James returns to England with his spirits renewed. His homecoming is a joyous one for the Bellamys, despite Richard's doubts as to the soundness of his son's speculations. Indeed, his fears are prophetical; the stock-market crash wipes out James and Rose, who invested her savings on the strength of James' advice. Enraged, Richard berates James over this and past failures, opening old and still painful wounds.

(Audio commentary available on some DVDs). After nearly 30 years, the Bellamy saga ends with the sale of 165 Eaton Place and a fresh beginning for every member of the household.