"Have you noticed that for the last day or two that your grandfather has been ill at ease? He too is instinctively aware that the great event is at hand, and he wants to act. He is pulling himself together and struggling against the disease which paralyzes him in the very hour of action."

In spite of everything, Raoul hesitated. The idea of leaving her to face d'Estreicher alone was infinitely painful to him.

"One question," he said.

"Only one then, for you've no time to lose."

"You made all your preparations for to-day. The police are informed, the servants warned, the rendezvous fixed. Good. But nevertheless you couldn't know that the discovery of this disc would take place just an hour before that rendezvous."

"Excellent, Raoul; I congratulate you. You've put your finger on the weak point in my explanation. But I can't tell you anything more at the moment."

"Nevertheless——"

"Do as I ask you, Raoul. You know that I don't act at random."

Dorothy's confidence, her boldness, the simplicity of her plan, her quiet smile, all inspired him with such trust in her judgment that he raised no more objections.

"Very well," he said. "I'll go."