chunk: Hortense and Tulkinghorn discover the truth about Lady Dedlock's past. After a confrontation with Tulkinghorn, Lady Dedlock flees her home, leaving a note apologising for her conduct. Tulkinghorn dismisses Hortense, who is no longer of any use to him. Feeling abandoned and betrayed, Hortense kills Tulkinghorn and seeks to frame Lady Dedlock for his murder. Sir Leicester, discovering his lawyer's death and his wife's flight, suffers a catastrophic stroke, but he manages to communicate that he forgives his wife and wants her to return.