The Last Waltz - S2.E5

As 165 Eaton Place prepares for the Annual Servants' Ball, Mr Pritchard enjoys a romance with fellow servant Miss Whisset, and starts to wonder if there is more to life than service. With war looming, Harry has a proposition for Beryl, however, a shocking revelation threatens to thwart their plans. Meanwhile, as Lady Persie and Sir Hallam continue their torrid affair, Sir Hallam is about to discover just how destructive his actions have been.