An hour later, still following the sled-trail he struck the river again, and found himself exactly opposite the landing which led to North Star Lodge. As he realized this he nodded thoughtfully. The sled trail he had been following, when he had encountered Joy Gargrave, led directly across the river. But whose sled was it? And why had Rayner traced it so carefully, at the same time endeavouring to cover his own trail? The first question was one for which he had no answer, and the second was an equal puzzle. Clearly Rayner had been interested in the sled-trail since he had followed it for two miles; and plainly he was anxious to conceal his interest, since he had walked so carefully in the footsteps of the unknown driver, and had made no reference to the matter whatever. Did he know something—something that he did not wish to make known?

The corporal thought that very likely he did, but could not even conjecture what the secret knowledge might be. There was a puzzled frown on his face, as he turned in the direction of the Lodge, and when he came in sight of the house he became aware of a considerable bustle. In the open space in front two sleds were drawn up, and a considerable number of dogs were lying about or nosing in the snow for lost fragments of food. Two Indians and a half-breed were standing near the sleds smoking and talking. Bracknell recognized the half-breed for a man who had been in the service of the police as a driver.

“Hallo, Jacques,” he asked, “what brings you to North Star?”

Jacques grinned responsively. “I bring a letter—I and dese, Co’pral. Yees two dog teams to deleever one petite lettre. But we take sometings else back weeth us, I tink.”

“Indeed!” laughed the corporal. “What may that be?”

“I tink we take a lady, de lady of North Star!” The corporal gave vent to a whistle of surprise, and after a few more words passed into the house. There he met Mr. Rayner, who smiled at him.

“We have news for you, Corporal. We start for England tomorrow. A message has just reached us from my father, and Miss Gargrave’s presence is urgently required on a matter of business.”

“Is that so?”

“Yes, and I think we shall all be glad to get away. That mysterious affair of last night would be rather a disturbing thing to reflect upon in a lonely place like this.”