I stood before him, open-mouthed in astonishment.

"You really mean—well, that you are in fear of them—eh?" I whispered.

He nodded slowly in the affirmative, adding: "To tell you the truth would be to bring upon myself a swift, relentless vengeance that would overwhelm and crush me. Ah! my dear fellow, you do not know—you cannot dream—what brought those desperate men into this port. I can guess—I can guess only too well—but I can only tell you that if you ever do discover the terrible truth—which I fear is unlikely—you will solve one of the strangest and most remarkable mysteries of modern times."

"What does the mystery concern?" I asked, in breathless eagerness.

"It concerns a woman."


CHAPTER III

THE HOUSE "OVER THE WATER"

The Mediterranean Squadron, that magnificent display of naval force that is the guarantee of peace in Europe, after a week of gay festivities in Leghorn, had sailed for Gaeta, while I, glad to escape from the glaring heat, found myself back once more in dear old London.