S1·E4 Taboos and Memories

Athanasia notices that Claude's face, and the faces of those around him, grow grim at any mention of her mother, Diana. One day at tea, Athanasia expresses her opinion of her tea. Hearing her words, Claude leaves their tea party. It seems that her opinion is exactly the same as one that her mother once gave. Will the relationship between father and daughter grow distant once more?