I find myself confronting a very complicated case under unfamiliar conditions.

I hardly know what to do." "You may feel confidence in me." "Oh, I do; indeed, you cannot realise how thoroughly I trust you," and impulsively she touched his hand with her own.

"That is why I wrote you to meet me here--so I could tell you the whole story." He waited, his eyes on her face.
"I received my letter this morning--the letter I told you I expected, containing my instructions.

They--they relate to this man Ned Beaton and the woman he expects on this train." "Your instructions ?" he echoed doubtfully.

"You mean you have been sent after these people on some criminal matter?
You are a detective ?" There must have been a tone of distrust to his voice, for she turned and faced him defiantly.
"No; not that.