He frowned. "Which way have they gone?"

"I have not the least idea."

"Have you seen Grace lately?"

"I have not," she replied. "Pray don't mind asking about anything you want to know!"

He would not notice her flippancy even to frown. "Because," he said, "she is not at her own house, nor the Allens', and she has not been to the Carys' since yesterday morning; if she has not been here either, there is only one thing possible—or at all likely——"

At last Rosamund became serious; if Grace had gone into the woods it could, indeed, mean but one thing. "Oh, dear!" she cried. "Does that mean—do you think?—that Joe is out again?"

The doctor nodded. "And has been for several days. The trouble is coming to a head somewhere. I wish I knew where. The very air is full of it, and these people are so mysterious that even I cannot get anything definite. Pa Cary says they all believe there are spies about."

At the word, Rosamund's hand went to her throat, and her lips paled. "Oh, then——" she began, and stopped.

Ogilvie leaned forward and laid his hand on the arm of her chair.

"Then?" he repeated, looking closely at her.