‘He smiled again, and said caustically:

‘“I didn’t know I was so shallow, and could be so easily fathomed. But pardon me; I had forgotten for the moment that you are a master in your craft. We shall get on together. Yes, you are clever; the draft has been stolen. What that means you will better understand when I tell you that it may possibly plunge this country into war.”

‘“I recognise the seriousness of the matter, Prince,” I said, “and, seeing how very serious it is, I would suggest that there should be no restraint, no reserve. If I am to be of use, I must not only have a free hand, but be trusted absolutely.”

‘“You are right, you are right,” he replied quickly. “But the whole business is fraught with such terrible potentialities that extreme caution is needed.”

‘He rose, and paced up and down for some moments, still keeping his hands in his pockets. His face betrayed no agitation, but his manner did. Nevertheless, his self-restraint was very remarkable. I waited for him to continue the conversation, and presently he stopped and faced me.

‘“Ah, yes!” he said, speaking in an absorbed way. “Well, these are the particulars: The courier, who had been travelling night and day, arrived, as I have already said, yesterday afternoon, and delivered to me a draft of a treaty. Having perused it, I placed it in a despatch-box and locked the box in that safe; but, notwithstanding the precaution, it has been stolen.”

‘“The box?” I asked.

‘“No; the treaty only.”

‘“When did you make that discovery?”

‘“This morning.”