Walk down the passage in front of me and don't try to turn round." He did so until he reached the window, which opened to the side.

The hinges were in good order and made no noise when he pushed back the frame.
"Get out," said Agatha.

"I'll shoot if you stop." He climbed quietly over the ledge, his lantern flickered and went out, and next moment Agatha saw nothing but the driving snow.

Then she closed the window and fastened the shutter in frantic haste, and afterwards leaned against the wall, trembling and breathing hard.

Still the man had gone and she thought he would not come back.