"What shall I gain if I write the letter?" Berrington asked.
"Gain! Why, nothing. The cards are all in my hands, and I play them as I please. 'Yours not to reason why, yours not to make reply,' as Tennyson says. For the present you are a prisoner, and for the present you stay where you are. But one thing for your comfort. The sooner that letter is written and dispatched, the sooner you will be free. We are not taking all these risks for nothing, and our reward is close at hand now, I may tell you. If you don't write that letter I shall have to forge it, and that takes time. Also a longer detention of your handsome person. If you consent to write that letter you will be free in eight and forty hours. Don't address the envelope."
Berrington checked a desire to fling the suggestion
back in the speaker's teeth. It angered him to feel that he was in the power of this little cripple, and that events in which he should have taken a hand were proceeding without him. But it was no time for feeling of that kind.
"I admit the defeat of the moment," he said. "I will write that letter at once. But look to yourself when my time comes."
Sartoris laughed scornfully, as he could afford to do. Berrington could hear him humming as he clapped in the whistle, and then silence fell again. The letter was finished and sealed at length, and pushed under the door as Sartoris had directed. A little later and there came the sound of a footstep outside and a gentle scratching on the door panel.
"Is that you, Mary?" Berrington asked, instantly guessing who it was. "Have you come for the letter?"
"Yes, I have," was the whispered reply. "My brother could not manage to get up the stairs. He has one of his very bad attacks to-day. He has not the least idea that I know anything. He said he dropped an unaddressed letter on this landing last night, and he asked me to fetch it. I dare not stay a minute."
"Don't go quite yet," Berrington pleaded. "I have had a brilliant idea. I can't stop to tell you what it is just now. The switch of the electric light has been removed from here. Can you tell me where I can find it?"
"You want more light?" Mary asked. "Well, it is a little dreary in there with only a lamp. The switch was taken off some time ago when the walls were being done, and the electricians forgot to replace it. It is