In which the leisurely social rituals of a London Sunday afternoon unveil the nuanced relations between two sisters and their intriguing circle of acquaintances, including a young American visitor whose earnest observations on English society stir reflections and restrained amusement. This episode gently traces a walk through the city and a call upon an elder gentlewoman, capturing the delicate interplay of cultural contrasts and the quest for belonging amid the subtle diversities of manners and expectations.