"He has got away," he said; "the woman has gone too."

Farrington nodded.

"What does he matter?" he asked roughly; "they know as much as they are likely to know. Put the control on the door."

Fall turned over a switch and the other renewed his attention to T. B.

"You know exactly how you are situated, Mr. Smith," said Farrington, "and now I am going to tell you exactly how you may escape from your position."

"I shall be interested to learn," said T. B. coolly, "but I warn you before you tell me that if my escape is contingent upon your own, then I am afraid I am doomed to dissolution."

The other nodded.

"As you surmise," he said, "your escape is indeed contingent upon mine and that of my friends. My terms to you are that you shall pass me out of England. I know you are going to tell me that you have not the power, but I am as well acquainted with the extraordinary privileges of your department as you are. I know that you can take me out of the Secret House and land me in Calais to-morrow morning, and there is not one man throughout the length and breadth of England who will say you nay. I offer you your life on condition that you do this, otherwise——"

"Otherwise?" asked T. B.