"Not in a good cause."
"Oh, the cause is excellent!"
"Then I am your man."
"I was sure that I might rely on you."
"But what is it you wish?"
"When Mrs. Turner has brought in the tray I will make it clear to you. Now," he said, as he turned hungrily on the simple fare that our landlady had provided, "I must discuss it while I eat, for I have not much time. It is nearly five now. In two hours we must be on the scene of action. Miss Irene, or Madame, rather, returns from her drive at seven. We must be at Briony Lodge to meet her."
"And what then?"
"You must leave that to me. I have already arranged what is to occur. There is only one point on which I must insist. You must not interfere, come what may. You understand?"
"I am to be neutral?"
"To do nothing whatever. There will probably be some small unpleasantness. Do not join in it. It will end in my being conveyed into the house. Four or five minutes afterwards the sitting-room window will open. You are to station yourself close to that open window."
"Yes."
"You are to watch me, for I will be visible to you."
"Yes."
"And when I raise my hand—so—you will throw into the room what I give you to throw, and will, at the same time, raise the cry of fire. You quite follow me?"
"Entirely."
"It is nothing very formidable," he said, taking a long cigar-shaped roll from his pocket. "It is an ordinary plumber's smoke-rocket, fitted with a cap at either end to make it self-lighting. Your task is confined to that. When you raise your cry of fire, it will be taken up by quite a number of people. You may then walk to the end of the street, and I will
