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's 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 affair, Sir Hallam is about to discover just how destructive his actions have been.