It was soothing to catch even that passing glimpse of a tranquil English home in the midst of the wild, dark business which had absorbed us.
And the more I thought of what had happened, the wilder and darker it grew.

I reviewed the whole extraordinary sequence of events as I rattled on through the silent gas-lit streets.

There was the original problem: that at least was pretty clear now.

The death of Captain Morstan, the sending of the pearls, the advertisement, the letter,--we had had light upon all those events.

They had only led us, however, to a deeper and far more tragic mystery.