“Then he was a master diver,” she told him. “Deep Lake, or as they call it here, the Sunless Sea, is not only very deep, but it is full of hidden rocks and there are strong eddies and currents,—oh, it is a dangerous hole!”
“There’s the alternative of a secret passage,” Moore went on. “Did you ever hear of one?”
“No, and I doubt there being such. I mean, the house, though of complicated structure, is modern and I’m quite sure it hasn’t any concealed or subterranean passages. If it had, I think Mr. Tracy would have spoken of them to me.”
“Why do you feel so sure of that?”
“Only because he told me everything. I mean he was confidential by nature and I’ve never known him to have a secret from me.”
“Why didn’t Mr. Tracy attend the dinner last night at which you were a guest?”
She coloured a little, but answered frankly: “We had had a little tiff, and he was, while not really angry at me, just enough annoyed to stay home from the party. I think he regretted having declined the invitation, but then it was too late to change his mind.”
“What was your disagreement about?”
“Must I tell that?”
“I think you’d better, Mrs. Dallas.”