"You will look after him, won't you?" "Certainly. You can rely upon me absolutely." Thus two men on the deck of a ship. One was silver-haired, elderly, spare and very refined looking. The other, of medium height, broadly built, and middle-aged, was, in his way, of striking appearance. His strong face, lined and sun-tanned, was half hidden in a full, iron-grey beard, and the keen blue eyes with their straight glance, were of that kind which would be deadly looking at you from behind the sights of a rifle.