Isolation and Entrapment

Margaret is physically and emotionally isolated at Skene, trapped in a marriage with a madman, while the characters' psychological isolation amplifies their vulnerability to supernatural forces.

Susie's reflections on her own lonely life as a former schoolmistress and her unfulfilled desire for love suggest a sense of emotional entrapment despite her newfound freedom.

Haddo's presence drives away the other diners, isolating Margaret, Arthur, Susie, and Dr. Porhoët with him.

Despite being surrounded by people, Haddo remains a stranger, isolated by his own mystique and the distrust of others.

Margaret feels utterly alone, trapped by her own desires and Haddo's influence, unable to confide in Arthur or Susie.