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Sir Hallam Holland and Lady Agnes move in and restore a London house.

The parlor maid attempts to hide her Jewish heritage from the staff; Lady Persie and Harry Spargo participate in the fascist movement in Britain; Lady Agnes worries that her mother-in-law holds too much power in the house.

Lady Agnes prepares for the birth of her child. Sir Hallam attempts to help the Duke of Kent push Mrs. Simpson away.

Two new arrivals make their mark; while Sir Hallam's Aunt Blanche disrupts life upstairs and maid Beryl struggles to adjust to life in service, Lady Agnes' concern for her children reveals a dark secret about Mr. Pritchard.

As Lady Agnes and Sir Hallam look to their future, a tragic turn of events leaves their promised dreams - and a close family member - in jeopardy; Mrs. Thackeray makes a momentous decision; Blanche and Mr. Amanjit continue to clash.

Blanche comes face to face with her former lover when a scandalous novel is published; Beryl's decision to take a stand upsets the running of the house, until a familiar face offers wise words.