She glanced into the drawing-rooms, which remained in a state of amazing confusion. Mounting to the floor above she found herself confronted by two closed doors. "I wonder if one of these is her bedroom. I'll try this." She turned the handle of the door which was directly in front of her, softly, and walked right in. It was the lady's bedroom, and the lady was in bed. Margaret had entered so quietly that apparently not the slightest sound had informed the mistress of the house that any one was there. The girl stood still. "Pah! what an atmosphere! I'd sooner have every pane of glass broken than breathe air like this. I shouldn't think the windows have been open for days." She glanced at the bed. "Is she asleep?--at this hour?--with the broker's man downstairs?" Laying her portfolio on a small table, she moved closer to the bed. Its occupant continued motionless. The girl, leaning forward, touched her, lightly, on the shoulder. Still no sign of life. The girl exchanged the light touch for a sudden, vigorous grip, giving the shoulder a wrench which must have roused the soundest sleeper. The woman started up in bed. "Luker! is that you?" she cried. When freshly roused from slumber, she saw who it was; her first impression seemed to be that she was still the victim of some haunting dream. Speechless, she stared at the girl, drawing farther and farther back the longer she stared. Her whole frame--her pose, her limbs, the muscles of her face--seemed to become rigid, set, as if she were afflicted by some new and awful form of tetanus. She appeared to be incapable of twitching a lip or of moving an eyelid. Even when Margaret spoke she persisted in her fixed and dreadful glare, as if she were some unpleasant statue. "I am Margaret Wallace--as you are aware. I am she whom you drove from Cuthbert Grahame's door, pretending you were Nannie Foreshaw. These are the clothes I was wearing when you drove me away with lies and with hot water. See--here are the stains of that hot water still. Your sin has found you out; judgment is pronounced; your punishment has already begun. Between you and me it is a duel to the death. It is your choice, not mine, but since you have forced it on me, I will fight you to the end, and I shall win. I know all about you--who you are, what you've done. I know that you were already a wife when you pretended to marry Cuthbert Grahame; that you committed bigamy. I know that you got that will from him by means of a trick. I know that so soon as you had got it you murdered him. You snatched the pillows from under his head--see! like that!" She caught up the two pillows which lay upon the bolster and dropped them on the floor. "Can't you hear the noise he makes in trying to breathe? He's choking. You've only to leave him like that for a little while, and he'll be dead. And you left him! I know--I know."