Blanche comes face-to-face with her former lover when a scandalous novel is published; when the passion between the pair reignites, she begins to consider a life away from Eaton Place. Downstairs, Beryl's decision to take a stand causes serious disruptions in the running of the house until a familiar face offers wise words. Meanwhile, when Lady Persie reveals a shocking secret to Sir Hallam, the pair becomes ever closer as Persie is forced to make a life-changing decision about her future.