“Why in the kitchen?” Cassandra asked, not unnaturally.

“Probably because she’s discovered something,” Katharine replied. Cassandra’s thoughts flew to the subject of her preoccupation.

“About us?” she inquired.

“Heaven knows,” Katharine replied. “I shan’t let her stay in the kitchen, though. I shall bring her up here.”

The sternness with which this was said suggested that to bring Aunt Celia upstairs was, for some reason, a disciplinary measure.

“For goodness’ sake, Katharine,” Cassandra exclaimed, jumping from her chair and showing signs of agitation, “don’t be rash. Don’t let her suspect. Remember, nothing’s certain—”

Katharine assured her by nodding her head several times, but the manner in which she left the room was not calculated to inspire complete confidence in her diplomacy.

Mrs. Milvain was sitting, or rather perching, upon the edge of a chair in the servants’ room. Whether there was any sound reason for her choice of a subterranean chamber, or whether it corresponded with the spirit of her quest, Mrs. Milvain invariably came in by the back door and sat in the servants’ room when she was engaged in confidential family transactions. The ostensible reason she gave was that neither Mr. nor Mrs. Hilbery should be disturbed. But, in truth, Mrs. Milvain depended even more than most elderly women of her generation upon the delicious emotions of intimacy, agony, and secrecy, and the additional thrill provided by the basement was one not lightly to be forfeited. She protested almost plaintively when Katharine proposed to go upstairs.

“I’ve something that I want to say to you in private,” she said, hesitating reluctantly upon the threshold of her ambush.

“The drawing-room is empty—”