Chapter Five.

The Unseen.

“Tell me,” I demanded in my helplessness, of the mysterious woman at my side, “what has happened?”

“Rise, and try whether you can walk,” said the voice at last, sweet and low-pitched, the same well-remembered voice that had spoken to me in that unknown house of shadows.

I struggled and rose stiffly, assisted tenderly by her. To my joy I found that I could walk quite well.

“Thank God!” she gasped, as though a great weight had been lifted from her mind. “Thank God that I have found you. The tide is rising, and in half an hour you would have been beyond human aid.”

“The tide!” I repeated. “What do you mean?”

“At high tide the river floods this place to the roof, therefore nothing could have saved you.”