Among the minor and purely physical pleasures of life, I am disposed to rank very highly that feeling of bodily comfort that one experiences on passing from the outer darkness of a wet winter’s night to a cheerful interior made glad by mellow lamplight and blazing hearth. And so I thought when, on a dreary November night, I let myself into our chambers in the Temple and found my friend smoking his pipe in slippered ease, by a roaring fire, and facing an empty armchair evidently placed in readiness for me.

As I shed my damp overcoat, I glanced inquisitively at my colleague, for he held in his hand an open letter, and I seemed to perceive in his aspect something meditative and self-communing—something, in short, suggestive of a new case.

“I was just considering,” he said, in answer to my inquiring look, “whether I am about to become an accessory after the fact. Read that and give me your opinion.”

He handed me the letter, which I read aloud.

“Dear Sir,—I am in great danger and distress. A warrant has been issued for my arrest on a charge of which I am entirely innocent. Can I come and see you, and will you let me leave in safety? The bearer will wait for a reply.”

“I said ‘Yes,’ of course; there was nothing else to do,” said Thorndyke. “But if I let him go, as I have promised to do, I shall be virtually conniving at his escape.”

“Yes, you are taking a risk,” I answered. “When is he coming?”

“He was due five minutes ago—and I rather think—yes, here he is.”

A stealthy tread on the landing was followed by a soft tapping on the outer door.

Thorndyke rose and, flinging open the inner door, unfastened the massive “oak.”