"On my word of honour," said Guerchard.
"Can you do it?" said Lupin, with a sudden air of doubt; and he looked sharply from Guerchard to the clock.
"I undertake to do it," said Guerchard confidently.
"But how?" said Lupin, looking at him with an expression of the gravest doubt.
"Oh, I'll put the thefts on your shoulders. That will let her out all right," said Guerchard,
"I've certainly good broad shoulders," said Lupin, with a bitter smile. He walked slowly up and down with an air that grew more and more depressed: it was almost the air of a beaten man. Then he stopped and faced Guerchard, and said: "And what is it you want in exchange?"
"Everything," said Guerchard, with the air of a man who is winning. "You must give me back the pictures, tapestry, Renaissance cabinets, the coronet, and all the information about the death of the Duke of Charmerace. Did you kill him?"
"If ever I commit suicide, you'll know all about it, my good Guerchard. You'll be there. You may even join me," said Lupin grimly; he resumed his pacing up and down the room.
"Done for, yes; I shall be done for," he said
