I sat bolt upright.

“What?” I cried.

“Not so loud,” warned Harley.

“But, Harley—”

“My dear fellow, we must face facts. I repeat, the Colonel is not alone.”

“Why do you say so?”

“Twice I have seen a shadow on the blind of the smoke-room.”

“His own shadow, probably.”

Again Paul Harley’s cigarette glowed in the darkness.

“I am prepared to swear,” he replied, “that it was the shadow of a woman.”