human
Well, what have you got to tell me?
gpt
I've nothing to tell you, I said.
human
Nevertheless, I believe you will hear something if you've done as I suggested. Have you got the key or the combination of that big safe in the wall behind the desk?
gpt
I have the combination for to-day. Felborn was at the club last night when your letter came, and I asked him for it. There aren't many favours he wouldn't grant me. But what has Julius Felborn's safe to do with the case?
human
Please open it. We haven't much time to spare. I looked at my watch. In a quarter of an hour the Misses Callender ought to be announced. If they failed me after all--but I would not think of that
gpt
It's absolutely necessary for you to hear for yourself, I insisted,
human
You want me to eavesdrop!
gpt
Yes, I admitted.
human
If you can call it eavesdropping to learn how and by whom Perry and Ned Callender Graham were done to death.
gpt
With the door ajar you can hear every word spoken in this room, I said.
human
In a few minutes you'll recognise two voices--those of Miss Grace and Miss Marian Callender. I tell you this that you mayn't be surprised into making an indiscreet appearance. Remember your future's at stake and that of the girl you love. All you have to do is to keep still until the moment when the mystery is cleared up.
gpt
How can it be cleared up by either of those two?
human
It will be cleared up while they are in the room, I amended.
gpt
Further than that I can't satisfy you now. By Jove! there goes the 'phone! I expect it's to say they're here, though it's five minutes before the time.
human
Let them come up at once,