A chance encounter with greatness goes to Mrs. Thackeray's head, and in turn annoys Rose, who, fed up with her pretensions, unleashes an insult so great that it sparks a feud. Yet despite the embattled cook and housekeeper, the downstairs staff is united in their love and nurturing of the child Lotte, who appears to need more help than they can provide. With even more than her customary authority, Maud steps up to take charge, whisking the child away for treatment even as she guards a secret of her own.
Preoccupied with the abdication crisis, Hallam attempts to buy some time from the press by hosting a special dinner for the Duke of Kent, placing 165 Eaton Street in the center of the monarchy's storm. Now preoccupied, Agnes has abdicated her responsibility of Persie, who has snapped the long leash her sister provided, and begun engaging in behavior that threatens to taint them all. Only Lotte's absence galvanizes Hallam to bring light into his home, purging it of dishonor and dark secrets that have been hidden for too long. But just as the king charts his fate, a momentous event will change the Holland family forever.
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