“I again assure you he is innocent,” she urged pleadingly. “I know you can clear him.”

“You have evidence to prove his innocence?” asked Blake.

“That you can easily uncover.”

He slowly swung about. Though with all his powerful will he strove to control himself, he was profoundly agitated, and he spoke with a very great effort.

“You have put me in a most embarrassing situation, Katherine.”

She caught her breath.

“You mean?”

“I mean that I should like to help you, but—but——”

“Yes? Yes?”

“But I cannot.”