"An Old Flame" is the sixth episode of the fifth and final series of the period drama Upstairs, Downstairs.
The plot of An Old Flame started as a script by Elizabeth Jane Howard called The Price of Rubies.
[1] The Price of Rubies was due to be made for broadcast on 28 September, but for an unknown reason it was dropped and replaced by the quickly-written episode The Joy Ride.
Diana Newbury brings her lady's maid Violet Marshall, who flirts with a unresponsive Edward.
Bunny visits Richard, who has returned from Scotland due to Bonar Law's resignation as Prime Minister.