As the girl drew back from the window, the soft silk curtains fell from her hand. A thick, white fog rose from the valley, blotting out the landscape; here and there a great elm stood out of it, like a ship becalmed on a moonlit sea. The warmth of the atmosphere chilled suddenly, and the girl in her thin evening dress shuddered. Probably there was a fire in the drawing-room; at any rate, she hoped so. An hour earlier she had been sitting in the garden amidst the full glow of summer roses. But it was often like this on Dartdale...