"I wish to make a proposition to you. Would you like to gain two thousand francs without any trouble?".
"Explain yourself."
"Since you say you know Andréas——"
"I beg your pardon, I did not say that."
"Since you know him, I must inform you, that that scamp has played me a most infamous trick."
"He is quite capable of so doing," added the unknown, in a low voice.
"I wish to be revenged, and that is why I ask you to assist me."
"What is there for me to do?"
"Scarcely anything. It is only necessary for you to bring Andréas to a house, which I shall point out to you, under pretext of introducing him into a club, where he will find several victims to dupe. I'll arrange all the rest."
"I am ready," replied the unknown. "When and where is it to be?"