It was Dale slipping out of the house to keep her appointment with Richard Fleming. She carried a raincoat over her arm and a pair of rubbers in one hand. Her other hand held a candle. By the terrace door she paused, unbolted it, glanced out into the streaming night with a shiver. Then she came into the living-room and sat down to put on her rubbers.

Hardly had she begun to do so when she started up again. A muffled knocking sounded at the terrace door. It was ominous and determined, and in a panic of terror she rose to her feet. If it was the law, come after Jack, what should she do? Or again, suppose it was the Unknown who had threatened them with death? Not coherent thoughts these, but chaotic, bringing panic with them. Almost unconscious of what she was doing, she reached into the drawer beside her, secured the revolver there and leveled it at the door.