What did they know of the mystery?
What part had they played in it?
Soon after he had left her Olivia went to London to spend the week-end with her husband.

But she did not go in her wonted joyful mood.

She tried to thrust it out of her mind; but Mr.Flexen's visit had brought back her old fear.

Grey at once perceived that she was not in good spirits, and he was a little alarmed.

He had firmly kept his thought from the danger which still hung over them.