She threw open the door which led into the dining-room, and dashed in, eager for a change of objects, athirst for more space and more air.
At the first step she checked herself; rooted to the spot, under a sudden revulsion of feeling which quieted her in an instant.
The room was only illuminated by the waning fire-light.

A man was obscurely visible, seated on the sofa, with his elbows on his knees and his head resting on his hands.

He looked up as the open door let in the light from the library lamps.

The mellow glow reached his face and revealed Julian Gray.
Mercy was standing with her back to the light; her face being necessarily hidden in deep shadow.

He recognized her by her figure, and by the attitude into which it unconsciously fell.