Upstairs Downstairs is a BBC historic drama series set in the same house as the original ITV series Upstairs Downstairs, 165 Eaton Place. The series begins in January 1936 and sees diplomat Sir Hallam Holland moving into the house along with his wife, Lady Agnes. They are joined by former parlourmaid Rose Buck, who takes on the role of housekeeper.
After Lady Agnes returns home, she is determined to fix the rift in her marriage. Sir Hallam also wants to sort things out and does everything that he can to rectify his personal and professional mistakes. A surprising revelation though leaves the pair reeling and some turn of events change165 Eaton Place forever. As war approaches, Harry and Beryl face a race against time to get their affairs sorted out. Mr Pritchard leaves 165 Eaton Place in shame and Johnny is left to run the household.