"It seems to me to have been a plot put up by my workmen," he said. "If I find it to be so, I shall discharge every one of them. Poor fellows, in their mistaken loyalty to me, perhaps they thought that they were doing me a good turn by trying to discredit my young friend—I am proud to call him so—my young friend, Prescott."

For the first time, Roy was moved to speak.

"I hardly think that your workmen were responsible, Mr. Mortlake," he said slowly and distinctly.

"You do not? Who, then?"

"I don't know, yet, but I shall, you can depend upon that."

"Really? How very clever we are. Smart as a steel trap, hey?" grated out old Harding, rubbing his hands. "Smart as a steel trap, with teeth that bite and hold, hey, hey, hey?"

"Instead of wasting time here, I propose that we at once go to the house in which Roy was confined, and see if we can catch the rascals implicated in this," said Lieut. Bradbury. "Can you guide us, my boy?"

"I think so, sir. It's not more than half an hour's tramp from here," said Roy. "Let's be off at once, otherwise they may escape us."

"Ridiculous, in my opinion," said Mortlake decisively. "Depend upon it, those ruffians have found out by now how cleverly the boy escaped them, and have decamped. We had much better get back to town and notify the police."

"I beg your pardon, but I differ from your opinion," said the naval officer, looking at the other sharply. "Of course, if you don't want to go——"