"Arbuthnot," said he, slowly and reluctantly, "before I tell you everything I must pledge you to absolute secrecy. Other lives, other interests, more important than yours and mine, are involved in this."

I gave the pledge, and in so doing was impressed by a depth of responsibility in the manner of my visitor, of which I should hardly have expected it to be capable.

"Did you see in the papers last evening that there had been an attempt on the life of the King of Illyria?"

"I read it in this morning's paper."

"It will surprise you to learn," said Fitz, striving for a calmness he could not achieve, "that my wife is the only child of Ferdinand XII, King of Illyria. She is, therefore, Crown Princess and Heiress Apparent to the oldest monarchy in Europe."

"It certainly does surprise me," was the only rejoinder that for the moment I could make.

"I want help and I want advice; I feel that I hardly dare do anything on my own initiative. You see, it is most important that the world at large should know nothing of this."

"Why, may I ask?"

"There are two parties at war in Illyria. There is the King's party, the supporters of the monarchy, and there is the Republican party, which has made three attempts on the life of Ferdinand XII and two on that of his daughter."

"But I assume, my dear fellow, that the whereabouts in England of the Crown Princess are known to her father the King?"