He took his electric torch from his pocket.

"Give it to me," she said, "I will lead the way."

"What is this place?" he asked, after she had locked the door.

"It used to be a wine merchant's," she said shortly, "we have the cellars."

"We?" he repeated.

She made no reply. At the bottom of the steps was a short passage and another door which was opened, and apparently the same key fitted them all, or else as Beale suspected she carried a pass key.

They walked through, and again she closed the door behind them.

"Another?" he said, as her light flashed upon a steel door a dozen paces ahead.

"It is the last one," she said, and went on.

Suddenly the light was extinguished.