"Thank you, Grooton," I said. "I shall be prepared then for anything that may happen. If you hear anything further let me know."
"I shall not fail to do so, sir," he answered.
He bowed and withdrew. Then as I lit my pipe and resumed my seat it suddenly occurred to me that the man who was chiefly concerned in this matter should at least be warned. I sat down at my desk and wrote to Ray. I had scarcely finished when I heard footsteps outside, followed by an imperious knocking at my front door. I opened it at once. The Duke and Lady Angela entered. I saw at once from her disturbed expression that something had happened.
The Duke wore a long cape over his dinner clothes, and he had evidently walked fast. He looked at me sharply as I rose to my feet.
"Mr. Ducaine," he said, "I have come to ask you to explain the sudden departure of my son for abroad."
I was taken aback, and I dare say I showed it.
"I have already told Lady Angela—all that I know," I said.
"My daughter's story," the Duke answered, "is incoherent. It tells me only enough to make me sure that something is being concealed."
I glanced at Lady Angela. She was looking white and troubled.
"I have told my father," she said, "all that I know."