“Why?”

“Because this morning he went to Harker’s Hotel in Waterloo Road, and inquired for her. But you had very fortunately taken her away.”

“Then if he knows of our appointment he will certainly follow me!” I said, in utter amazement.

“Most certainly he will. You recognise the grave peril of the situation?”

“I do,” I said, for I saw that Sybil must at once be seriously compromised. “But who could have known our secret? Who was the woman?”

“I’ve never seen her before. She’s an entire stranger. But that she is aware of Tibbie’s movements is beyond doubt. You were evidently seen together when you met last night—or how would he know that she slept at Harker’s Hotel?”

I was silent. I saw the very serious danger that now lay before us. Yet why was this man in search of Tibbie? He had proposed to her, she had said, and had been refused.

I recalled to my companion the fact of the photograph of the dead man being found in his bag.

“Yes,” Eric said. “He has recognised the victim but has some secret motive in remaining silent. Is it, I wonder, a motive of revenge?”

“Against whom?”