S1, E4: 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.

S1, E4: 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.