“Gee whizz! Is that so?”

“Quite so. Now listen to me quietly and patiently, and I will tell you how I have sized up the circumstances connected with the events that have happened in your family lately—and what I want you to do to help me to-night.”

“Go ahead, old man. What is it?”

“In the first place you must understand that the man has never been born into the world who is always right; I am not an exception to the rule, and while I believe in the theories I have worked out from what has been told to me, there is always the possibility that I may be wrong. Now, Danton, it is highly important that I should enter that room opposite us, before morning——”

“Eh? What the dev——”

“Wait. I must know before daylight if the woman in that room is your sister, or an impostor. If she is really your sister, then there is nothing more for me to do in the premises, save to await the morning and then send up my card in the usual way in the hope that she will receive me in the interests of her brother.”

“Well; and if she is not——”

“If she is not your sister—why, then, I know already who she is, and I will not be long in determining how to act.”

“If she is not my sister, who is she?”

“Isabel Benton.”