"But tell me," pleaded the unhappy woman, "how did you get in here?"

"That is not the question," the stranger replied. "The problem actually before us is, how am I to get out? For, of course, Princess, I shall not be so indelicate as to prolong my visit unduly, too happy only if you will permit me to repeat it on some other evening soon." He turned his head, and plunging his hand into the bath in the most natural manner possible, took out the thermometer which was floating on the perfumed water. "Thirty degrees, centigrade, Princess! Your bath is getting cold: you must get out!"

In her blank astonishment Princess Sonia did not know whether to laugh or cry. Was she alone with a monster who, after having played with her as a cat plays with a mouse, would suddenly turn and kill her? Or was this merely some irresponsible lunatic, whom chance alone had enabled to get into her rooms? Whatever the fact might be, the man's last words had made her aware that her bath really was getting cold. A shiver shook her whole frame, and yet——

"Oh, go, please go!" she implored him.

He shook his head, an ironical smile in his eyes.

"For pity's sake," she entreated him again, "have mercy on a woman—a good woman!"

The man appeared to be considering.

"It is very embarrassing," he murmured, "and yet we must decide upon something soon, for I am most anxious you should not take a chill. Oh, it is very simple, Princess: of course you know the arrangement of everything here so well that you could find your dressing-gown at once, by merely feeling your way? We will put out the light, and then you will be able to get out of the bath in the dark without the least fear." He was on the very point of turning off the switch of the lamp, when he stopped abruptly and came back to the bath. "I was forgetting that exasperating bell," he said. "A movement is so very easily made: suppose you were to ring, by mere inadvertence, and regret it afterwards?" Putting his idea into action, the man made a quick cut with his razor and severed the two electric wires several feet above the ground. "That is excellent," he said. "By the way, I don't know where these other two wires go that run along the wall, but it is best to be on the safe side. Suppose there were another bell?" He lifted his razor once more and was trying to sever the electric wires when the steel blade cut the insulator and an alarming flash of light resulted. The man leaped into the air, and dropped his razor. "Good Lord!" he growled, "I suppose that will make you happy, madame: I have burnt my hand most horribly! These must be wires for the light! But no matter: I have still got one sound hand, and that will be enough for me to secure the darkness that you want. And anyhow, you can press the button of your bell as much as you like: it won't ring. So I am sure of a few more minutes in your company."

Sudden darkness fell upon the room. Sonia Danidoff hesitated for a moment and then half rose in the bath. All her pride as a great lady was in revolt. If she must defend her honour and her life, she was ready to do so, and despair would give her strength; but in any event she would be better out of the water, and on her feet, prepared. The darkness was complete, both in the bathroom and in the adjacent bedroom, and the silence was absolute. Standing up in the bath, Sonia Danidoff swept her arms round in a circle to feel for any obstacle. Her touch met nothing. She drew out one foot, and then the other, sprang towards the chair on which she had left her dressing-gown, slipped into it with feverish haste, slid her feet into her slippers, stood motionless for just a second and then, with sudden decision, moved to the switch by the door and turned on the light.

The man had gone from the bathroom, but taking two steps towards her bedroom Sonia Danidoff saw him smiling at her from the far end of that room.