"Then, I take it, the thief was disappointed."

Now she glanced quickly at his eyes. "Why do you say that?"

"If the thief had found what he sought, he would never have presented it to me, mademoiselle would never again have seen her jewels. Failing in his object, after breaking that lock, and interrupted by your unexpected return, he planted the case with me, hoping to have me suspected. I am fortunately able to prove the best of alibis…. So then," said Lanyard, smiling, "it would appear that, though we met ten minutes ago for the first time—and I have yet to know mademoiselle by name—we are allies in a common cause."

"My name is Brooke—Cecelia Brooke," she said quietly—"if it matters. But why 'allies'?"

"It appears we own a common enemy. Each of us possesses something which that one desires—you a secret, I a good name. (Duchemin, indeed, I have always held to be an excellent name.) I shall not hesitate to call on you if my treasure is again violated. May I venture to hope mademoiselle will prove as ready to command my services?"

"Thank you. I fancy, however, there will be no need."

She moved irresolutely toward the communicating door, paused in its frame, eyeing him speculatively from under level brows. He detected, or imagined, a tremor of impulse toward him, as though she faltered on the verge of some grave confidence. If so, she curbed her tongue in time. Her gaze dropped, fixed itself abstractedly on the door…. "This must be fastened," she said, in a tone of complete disinterest.

"I will speak to the chief steward immediately."

"Don't trouble." She roused. "It doesn't matter, really, for to-night. I shall leave what valuables I have in the purser's care and stop on deck till daybreak."

He gave a gesture of bewilderment. "You abandon your seclusion—leave your secret unguarded?"