But beyond this vague guess, it was impossible to delve.

He possessed no facts, no knowledge; he could only keep faith in her, and wait the time of explanation.
Tired by the uselessness of such thinking West finally sought the bed, and must have slept, although scarcely aware that he had closed his eyes.
Some slight noise aroused him.

The door leading into the hall, which he had failed to lock, stood partially ajar, and his eyes caught the vague glimpse of a figure gliding swiftly through the opening.

With one bound he was upon his feet, springing recklessly forward.

The hall was dark, but for a patch of moonlight at the further end.