The Last Waltz

S2, E5: As 165 Eaton Place prepares for the Annual Servant's Ball, Mr Pritchard enjoys a romance with fellow servant Miss Whisset, and starts to wonder if there's more to life than service. With war looming, Harry has a proposition for Beryl, however a shock revelation threatens to thwart their plans. Meanwhile, as Lady Persie and Sir Hallam continue their dangerous affair, Sir Hallam is about to discover just how destructive his actions have been...