Unaware of Susanne's furtive interest in his career, Philip scanned the calm, unruffled waters of the Westfall lake and sighing turned back to his chief. There was a tempting drone of motors back among the hangars.

"We fly this morning?" he inquired smiling.

"Unfortunately not," regretted the Baron, and led the way indoors to a room which Mrs. Sherrill had hospitably insisted upon regarding as a private den of work and consultation for the Baron and his secretary.

"There is a mission of exceeding delicacy," began Baron Tregar slowly, "which I feel I must inflict upon you." His deep, penetrating eyes lingered intently upon Philip's face. "It concerns the singular conveyance of green and white and the lady within it."

Philip looked frankly astonished.

"I take it then," he suggested, "that you know the nomadic lady, Baron Tregar?"

"No," said the Baron.

Philip stared.

"Your Excellency is pleased to jest," he said politely.

"On the contrary," said the Baron, "I am at a loss for suitable words in which to express my singular request. I am assured of your interest, Poynter?"