Undoubtedly the letter "M." referred to Maunders, since there was no one else with that initial to cause trouble. But what the trouble might be, or why carefully-guarded Lucy Corsoon should be in West Kensington it was hard to say. Lady Corsoon rarely let her daughter out of her sight, and on this night both were due at "Rangoon" to enjoy the masked ball. But, as Vernon rapidly reflected, there could be only one reply to so urgent a wire, and that was to stand on the doorstep of No. 34, Waller Street, West Kensington, at the appointed hour. He glanced at his watch. It was after eight, so he had only time to drive from Bloomsbury to his destination. Vernon, for obvious reasons connected with his income, lived in old-fashioned rooms in that middle-class district, and was more comfortable than if he had lived in Mayfair, both as regards space and rent. His domino and mask were lying on a chair, ready to be slipped into a brown leather bag. He had intended to drive in a taxi to Hampstead, because of the bag, as it was too much trouble to carry it by train, since in that case his journey would be broken. As he was thinking what was best to be done, the landlady's husband, who acted as his valet, came with the information that the cab was at the door. Vernon made up his mind at once to act the part of a knight-errant, in spite of being due at the ball, and, without troubling about the domino and mask, put on his overcoat. Unless something serious was wrong--and the telegram gave little information--he could return, get the bag and drive on to the ball. But if Lucy was in dire trouble he would not go at all to "Rangoon." Mr. Dimsdale would have to manage with The Spider as best he could. Always provided that that astute individual walked into the trap, which was doubtful. All the way to West Kensington Vernon puzzled his brains as to what could be the matter, and why Lucy Corsoon should be in a West Kensington house. Ridiculous as it seemed, he entertained the idea that she might have been kidnapped by Maunders, and had contrived to send the wire to the lover upon whom she could rely. But then Maunders--as he had said--always kept on the right side of the law, and kidnapping was an indictable offence. But if he had acted thus rashly, as Vernon reflected with a thrill, he was simply playing into his rival's hands. "If I rescue Lucy, Lady Corsoon will certainly let me marry her out of gratitude," thought the young man.