As it was Saturday morning, Mrs. Traquair Campbell was examining her weekly accounts and clearing off her week's correspondence; for she found it necessary to her enjoyment of the Sabbath Day that her mind should be free from all worldly obligations. This was one of the inviolable laws of Traquair House, enunciated so frequently and so positively by its mistress, that it was seldom violated in any way.
It was therefore with fear and uncertainty that Miss Campbell ventured to break this rule, and to open softly the door of her mother's room. No notice was taken of the intruder for a few moments, but her presence proving disastrous to the total of a line of figures which Mrs. Campbell was adding, she looked up with visible annoyance and asked:
"What do you want, Isabel? You are disturbing me very much, and you know it."