“Yes, I know. All the same it’s pretty ghastly not being able to get back quicker. I suppose you can’t rush her up a bit, Aubrey, can you? It’s terribly important that Dr. Hart should get these things. I mean, in a sort of way, everything depends on us.”

“I’m banging along as fast as I dare. There’s Pen Gidding ahead. We’re making much better time. Look, there’s the rain still over the Highfold country. We’ll be running into it again soon. If I stick in Deep Bottom it’s only about half a mile from the house.”

“Return to horror,” said Chloris, under her breath.

“Never mind, my dear,” whispered Mandrake. “Never mind.”

“There’s one thing that strikes me as being very odd,” said Alleyn, “and that is the house-party itself. What persuaded your host to collect such a gang of warring elements under his roof? Or didn’t he know they were at war?”

“Yes,” said Mandrake, “he knew.”

“Then why—”

“He did it on purpose. He explained it to me on the night I arrived. He wanted to work out his æsthetic frustration in a flesh-and-blood medium.”

“Good Lord!” Alleyn ejaculated. “How unbelievably rum!”

There was no wind over Cloudyfold that afternoon, but the rain poured down inexorably. By half-past two the rooms at Highfold had begun to assume a stealthy dimness. The house itself, as well as the human beings inside it, seemed to listen and to wait. Highfold was dominated by two rooms. Behind the locked doors of the smoking-room, William Compline now sat as rigidly as if he had been made of iron, his hands propped between his feet and his head fixed between his knees. In the principal visitor’s room lay his mother in bed, breathing very slowly, scarcely responding, now, to Dr. Hart when he slapped the face he had marred twenty years ago, or when he advanced his own white face close to hers and called her name as if he cried for admittance at the door of her consciousness. Hersey Amblington, too, cried out to her old friend. Three times Nicholas had come. It had been difficult for Nicholas to obey Hart and call loudly upon his mother. At first his voice cracked grotesquely into a sobbing whisper. Hart kept repeating: “Loud. Loudly. To rouse her, you understand. She must be roused.” And Hersey: “If she hears it’s you, Nick, she may try. You must, Nick, you must.” Mrs. Pouting in her sitting-room, and Thomas in the hall, and Caper in the pantry, and Madame Lisse in the green “boudoir,” and Jonathan Royal on the stairs had all heard Nicholas shout as though across a nightmare of silence: “Mother! It’s Nicholas! Mother!” They had all waited, listening intently, until his voice cracked into silence and they became aware once more of the hard beat of rain on the house. Jonathan, from his place on the stairs, had heard Nicholas leave his mother’s room and cross the landing. He had seen him stop at the stairhead, raise his clasped hands to his lips, and then, as if some invisible cord had been released, jerk forwards until his head rested on his arms across the balustrade. Jonathan started forward, but at the sound of harsh sobbing paused and finally stole downstairs, unseen by Nicholas. He crossed the hall, and after some hesitation, entered the green “boudoir.”

Between Hersey Amblington and Dr. Hart there had arisen a curious feeling of comradeship. Hersey had proved herself to be an efficient nurse, obeying Hart’s instructions without a question or fuss. There were certain unpleasant things that could be attempted and between them they had made the attempts. Hart had not pretended to any experience of veronal poisoning. “But the treatment must be on general common-sense lines,” he said. “There, we cannot go wrong. Unfortunately there has not been the response. We have not eliminated the poison. If only they would return from the chemist!”

“What’s the time now?”

“Nearly two o’clock. They should have returned.”

He bent over the bed. Hersey watched him and in a minute or two she said: “Am I mistaken, Dr. Hart, or is there a change?”

“You are not mistaken. The pupils are now contracted, the pulse is 120. Do you notice the colour of the finger-nails, a dusky red?”

“And her breathing.”

“It is gravely impeded. We shall take the temperature again. God be thanked that at least this old Pouting had a thermometer.”

Hersey fetched the thermometer and returned to the window where she waited, looking through rain across the terrace and down to the bathing-pool. Cypress trees had been planted at intervals along the terrace, and one of these hid the far end of the pool and the entrance to the pavilion. “She could not have seen Mandrake go overboard,” thought Hersey, “but she could have seen him leave the house and go down.” And she looked at the wardrobe where yesterday she had found a wet coat.

“The temperature is 102.8°,” said Hart. “It has risen two points. Well, we must try the emetic again, but I am afraid she is now quite unable to swallow.”

Hersey rejoined him, and again they worked together to no avail. After a time she suggested that he should leave her in charge. “You’ve eaten nothing and you haven’t sat down since they brought you here hours ago. I can tell you if there’s any change.” Hart glanced up with those prominent eyes of his and said: “And where should I go, Lady Hersey? To my room? Should I not be locked up again? Ever since I came to the patient, I believe there has been someone on guard in the passage or on the stairs. Is that not so? No, let me remain here until the car returns. If they have brought a medical man I shall go back to my cell.”

“I don’t believe you killed William Compline,” Hersey said abruptly.

“No? You are a sensible woman. I did not kill him… There is no doubt, I am afraid, that the condition is less satisfactory. She is more comatose. The reflexes are completely abolished. Why do you look at me in that fashion, Lady Hersey?”

“You seem to have no thought for your own position.”

“You mean that I am not afraid,” said Dr. Hart, who was again stooping over his patient. “You are right, Lady Hersey, I am an Austrian refugee and a Jew, who has become a naturalized Briton. I have developed what I believe you would call a good nose for justice. Austrian justice, Nazi justice, and English justice. I have learned when to be terrified and when not to be terrified. I am a kind of thermometer for terror. At this moment I am quite normal. I do not believe I shall be found guilty of a murder I did not commit.”

“Do you believe,” asked Hersey Amblington, after a long pause, “that the murderer will be arrested?”

“I do believe so.” He straightened his back, but he still watched his patient.

“Dr. Hart,” Hersey said harshly, “do you think you know who killed William Compline?”

“Oh, yes,” said Hart, and for the first time he looked directly at her. “Yes. I believe I know. Do you wish me to say the name?”

“No,” she said. “Let us not discuss it.”

“I agree,” said Dr. Hart.

Down in the green sitting-room, Jonathan Royal listened to Madame Lisse. An onlooker with a taste for irony might have found something to divert him in the scene, particularly if he liked his irony laced with a touch of the macabre. A nice sense of the fitness of things had prompted Madame to dress herself in black, a dead crapy black that gloved her figure with adroitness. She looked and smelt most expensive. She had sent a message to her host by Mrs. Pouting, asking for an interview. Jonathan, fresh from seeing Nicholas Compline’s breakdown on the upstairs landing, eyed his beautiful guest with a certain air of wariness.

“It is so kind of you to see me,” said Madame Lisse. “Ever since this terrible affair I have felt that of all our party you would remain the sanest, the best able to control events, the one to whom I must instinctively turn.”

Jonathan touched his glasses and said that it was very nice of her. She continued in this strain for some time. Her manner conveyed, as an Englishwoman’s manner seldom conveys, a sort of woman-to-man awareness that was touched with camaraderie. With every look she gave him, — and her glances were circumspect, — she flattered Jonathan, and, although he still made uncomfortable little noises in his throat and fidgeted with his glasses, he began to look sleek; into his own manner there crept an air of calculation that would have astonished his cousin Hersey or Chloris Wynne. He and Madame Lisse were very polite to each other, but there was a hint of insolence in their civility. Madame began to explain her reasons for keeping her marriage to Hart a secret. It had been her idea, she said. She had not wished to give up her own business, which was a flourishing one, but on the other hand Dr. Hart, before they met, had, under his own name, published a book in which he exposed what he had called the “beauty-parlour racket.”