The next moment he was gone. For awhile, Theresia's straining ears still caught the sound of his firm footfall upon the stone steps. Then all was still; and she was left wondering if, in very truth, the last few minutes on the dark stairs had not all been part of a dream.

CHAPTER XXVII
TERROR OR AMBITION

§1

Chauvelin had sufficiently recovered from the emotions of the past half-hour to speak coolly and naturally to Theresia. Whether he knew that she had waylaid Sir Percy Blakeney on the stairs or no, she could not conjecture. He made no reference to his interview with the Scarlet Pimpernel, nor did he question her directly as to whether she had overheard what passed between them.

Certainly his attitude was a more dictatorial one than it had been before. Some of his first words to her contained a veiled menace. Whether the sense of coming triumph gave him a fresh measure of that arrogance which past failures had never wholly subdued, or whether terror for the future caused him to bluster and to threaten, it were impossible to say.

"Vigilance!" he said to Theresia, after a curt greeting. "Incessant vigilance, night and day, is what your country demands of you now, citizeness! All our lives now depend upon our vigilance."

"Yours perhaps, citizen," she rejoined coolly. "You seem to forget that I am not bound——"

"You? Not bound?" he broke in roughly, and with a strident laugh. "Not bound to aid in bringing the most bitter enemy of your country to his knees? Not bound, now that success is in sight?"

"You only obtained my help by a subterfuge," she retorted; "by a forged letter and a villainous lie——"