Down the center of the room came a girl carrying the only ornamental object which thus far I had seen in the Joy-Shop; a large Oriental brass tray. She was a figure which must have formed a center of interest in any place, trebly so, then, in such a place as this. Her costume consisted in a series of incongruities, whilst the entire effect was barbaric and by no means unpicturesque. She wore high-heeled red slippers, and, as her short gauzy skirt rendered amply evident, black silk stockings. A brilliantly colored Oriental scarf was wound around her waist and knotted in front, its tasseled ends swinging girdle fashion. A sort of chemise—like the 'anteree of Egyptian women—completed her costume, if I except a number of barbaric ornaments, some of them of silver, with which her hands and arms were bedecked.  
But strange as was the girl's attire, it was to her face that my gaze was drawn irresistibly. Evidently, like most of those around us, she was some kind of half-caste; but, unlike them, she was wickedly handsome. I use the adverb wickedly with deliberation; for the pallidly dusky, oval face, with the full red lips, between which rested a large yellow cigarette, and the half-closed almond-shaped eyes, possessed a beauty which might have appealed to an artist of one of the modern perverted schools, but which filled me less with admiration than horror. For I knew her—I recognized her, from a past, brief meeting; I knew her, beyond all possibility of doubt, to be one of the Si-Fan group!
 
This strange creature, tossing back her jet-black, frizzy hair, which was entirely innocent of any binding or ornament, advanced along the room towards us, making unhesitatingly for our table, and carrying her lithe body with the grace of a Gházeeyeh.
 
I glanced at Fletcher across the table.
 
"Zarmi!" he whispered.
 
Again I raised my eyes to the face which now was close to mine, and became aware that I was trembling with excitement….
 
Heavens! why did enlightenment come too late! Either I was the victim of an odd delusion, or Zarmi had been the driver of the cab in which Nayland Smith had left the New Louvre Hotel!
 
Zarmi place the brass tray upon the table and bent down, resting her elbows upon it, her hands upturned and her chin nestling in her palms. The smoke from the cigarette, now held in her fingers, mingled with her disheveled hair. She looked fully into my face, a long, searching look; then her lips parted in the slow, voluptuous smile of the Orient. Without moving her head she turned the wonderful eyes (rendered doubly luminous by the kohl with which her lashes and lids were darkened) upon Fletcher.
 
"What you and your strong friend drinking?" she said softly.
 
Her voice possessed a faint husky note which betrayed her Eastern parentage, yet it had in it the siren lure which is the ancient heritage of the Eastern woman—a heritage more ancient than the tribe of the Ghâzeeyeh, to one of whom I had mentally likened Zarmi.
 
"Same thing," replied Fletcher promptly; and raising his hand, he idly toyed with a huge gold ear-ring which she wore.
 
Still resting her elbows upon the table and bending down between us, Zarmi turned her slumbering, half-closed black eyes again upon me, then slowly, languishingly, upon Fletcher. She replaced the yellow cigarette between her lips. He continued to toy with the ear-ring.
 
Suddenly the girl sprang upright, and from its hiding-place within the silken scarf, plucked out a Malay krîs with a richly jeweled hilt. Her eyes now widely opened and blazing, she struck at my companion!
 
I half rose from my chair, stifling a cry of horror; but Fletcher, regarding her fixedly, never moved … and Zarmi stayed her hand just as the point of the dagger had reached his throat!
 
"You see," she whispered softly but intensely, "how soon I can kill you."
 
Ere I had overcome the amazement and horror with which her action had filled me, she had suddenly clutched me by the shoulder, and, turning from Fletcher, had the point of the krîs at my throat!
 
"You, too!" she whispered, "you too!"
 
Lower and lower she bent, the needle point of the weapon pricking my skin, until her beautiful, evil face almost touched mine. Then, miraculously, the fire died out of her eyes; they half closed again and became languishing, luresome Ghâzeeyeh eyes. She laughed softly, wickedly, and puffed cigarette smoke into my face.
 
Thrusting her dagger into her waist-belt, and snatching up the brass tray, she swayed down the room, chanting some barbaric song in her husky Eastern voice.
 
I inhaled deeply and glanced across at my companion. Beneath the make-up with which I had stained my skin, I knew that I had grown more than a little pale.
 
"Fletcher!" I whispered, "we are on the eve of a great discovery—that girl …"
 
I broke off, and clutching the table with both hands, sat listening intently. From the room behind me, the opium-room, whose entrance was less than two paces from where we sat, came a sound of dragging and tapping! Slowly, cautiously, I began to turn my head; when a sudden outburst of simian chattering from the fan-tan players drowned that other sinister sound.
 
"You heard it, Doctor!" hissed Fletcher.
 
"The man with the limp!" I said hoarsely; "he is in there! Fletcher! I am utterly confused. I believe this place to hold the key to the whole mystery, I believe …"
 
Fletcher gave me a warning glance—and, turning anew, I saw Zarmi approaching with her sinuous gait, carrying two glasses and jug upon the ornate tray. These she set down upon the table; then stood spinning the salver cleverly upon the point of her index finger and watching us through half-closed eyes.
 
My companion took out some loose coins, but the girl thrust the proffered payment aside with her disengaged hand, the salver still whirling upon the upraised finger of the other.
 
"Presently you pay for drink," she said. "You do something for me—eh?"
 
"Yep," replied Fletcher nonchalantly, watering the rum in the tumblers. "What time?"
 
"Presently I tell you. You stay here. This one a strong feller?"— indicating myself.
 
"Sure," drawled Fletcher; "strong as a mule he is."
 
"All right. I give him one little kiss if he good boy!"
 
Tossing the tray in the air she caught it, rested its edge upon her hip, turned, and walked away down the room, puffing her cigarette.
 
"Listen," I said, bending across the table, "it was Zarmi who drove the cab that came for Nayland Smith to-day!"
 
"My God!" whispered Fletcher, "then it was nothing less than the hand of Providence that brought us here to-night. Yes! I know how you feel, Doctor!............