That night Hench awoke during the small hours of the morning with the conviction that he knew all about the mystery in which he was involved. He had fallen asleep much exercised in his mind so far as the visit of Madame Alpenny to Cookley Grange was concerned. He remembered that about the time mentioned by Gwen the Hungarian lady had gone away from Bethnal Green, presumably to procure an engagement for Zara in a West End music-hall. Certainly that might have been one very good reason why she had remained absent for a few days, but now it appeared that there was another, which had to do with Madoc Evans. When unconsciousness came Owain was still wrestling with the problem, and somehow it seemed that the same was solved during slumber. But with the working of his physical brain the scheme broke up, and he was only able to retain fragments. These he proceeded to piece together while staring at the ceiling through the faint twilight of the already dawning day. It was rather a difficult task to put two and two together. The young man recollected that Madame Alpenny had denied all knowledge of the elder Hench's family history, but recollected also that she had done so with a certain amount of hesitation. It now was borne in forcibly upon him that his father had told the woman much more about his past than she would admit. Probably he had informed her of the quarrel with the grandfather, and of his dislike for the brother, explaining also that Madoc enjoyed Cookley Grange and the large income for life. The word "Rhaiadr" had brought back the interview clearly to Madame Alpenny's mind, and it was more than probable that she knew Owain would inherit the estate. For that reason she had been agreeable to his paying attentions to her daughter, and for that reason she had paid her visit to Cookley Grange. Hench now quite understood how she had come to see the advertisement and to draw his attention to it. Without the least hesitation he concluded that she had learned from his father where Cookley Grange was situated, and thither she had gone to tell Madoc of her meeting with his pauper nephew. Why his uncle should have put in the queer advertisement and have appointed so strange a meeting-place Owain could not conceive, but he was certain that Madoc had done so, and had used the very word to attract attention which had awakened the Hungarian lady's memory of the twenty-year-old meeting. She was without doubt on the look-out for the advertisement, knowing in which paper it would appear. Thus she had easily been able to show it to him, and having--so to speak--assisted Madoc to lay the trap she had waited results.