It may serve us in the end.

How do you know that the woman sleeps in Veronica's dressing-room ?" "I was wandering about, just now," answered Matilde, looking away from him.

"I saw the door of Elettra's room ajar.

I pushed it open and looked in, and I saw that her bed was not disturbed.

Then I stood outside the door of Veronica's dressing-room, and listened.