“She has all Wednesdays off, and comes back to lunch on Saturdays. Those are her only times off.”

“I will remember. Women are doing great work nowadays, and Mademoiselle Cynthia is clever—oh, yes, she has brains, that little one.”

“Yes. I believe she has passed quite a stiff exam.”

“Without doubt. After all, it is very responsible work. I suppose they have very strong poisons there?”

“Yes, she showed them to us. They are kept locked up in a little cupboard. I believe they have to be very careful. They always take out the key before leaving the room.”

“Indeed. It is near the window, this cupboard?”

“No, right the other side of the room. Why?”

Poirot shrugged his shoulders.

“I wondered. That is all. Will you come in?”

We had reached the cottage.

“No. I think I’ll be getting back. I shall go round the long way through the woods.”

The woods round Styles were very beautiful. After the walk across the open park, it was pleasant to saunter lazily through the cool glades. There was hardly a breath of wind, the very chirp of the birds was faint and subdued. I strolled on a little way, and finally flung myself down at the foot of a grand old beech-tree. My thoughts of mankind were kindly and charitable. I even forgave Poirot for his absurd secrecy. In fact, I was at peace with the world. Then I yawned.

I thought about the crime, and it struck me as being very unreal and far off.

I yawned again.

Probably, I thought, it really never happened. Of course, it was all a bad dream. The truth of the matter was that it was Lawrence who had murdered Alfred Inglethorp with a croquet mallet. But it was absurd of John to make such a fuss about it, and to go shouting out: “I tell you I won’t have it!”

I woke up with a start.

At once I realized that I was in a very awkward predicament. For, about twelve feet away from me, John and Mary Cavendish were standing facing each other, and they were evidently quarrelling. And, quite as evidently, they were unaware of my vicinity, for before I could move or speak John repeated the words which had aroused me from my dream.

“I tell you, Mary, I won’t have it.”

Mary’s voice came, cool and liquid:

“Have you any right to criticize my actions?”

“It will be the talk of the village! My mother was only buried on Saturday, and here you are gadding about with the fellow.”

“Oh,” she shrugged her shoulders, “if it is only village gossip that you mind!”

“But it isn’t. I’ve had enough of the fellow hanging about. He’s a Polish Jew, anyway.”

“A tinge of Jewish blood is not a bad thing. It leavens the”—she looked at him—“stolid stupidity of the ordinary Englishman.”

Fire in her eyes, ice in her voice. I did not wonder that the blood rose to John’s face in a crimson tide.

“Mary!”

“Well?” Her tone did not change.

The pleading died out of his voice.

“Am I to understand that you will continue to see Bauerstein against my express wishes?”

“If I choose.”

“You defy me?”

“No, but I deny your right to criticize my actions. Have you no friends of whom I should disapprove?”

John fell back a pace. The colour ebbed slowly from his face.

“What do you mean?” he said, in an unsteady voice.

“You see!” said Mary quietly. “You do see, don’t you, that you have no right to dictate to me as to the choice of my friends?”

John glanced at her pleadingly, a stricken look on his face.

“No right? Have I no right, Mary?” he said unsteadily. He stretched out his hands. “Mary——”

For a moment, I thought she wavered. A softer expression came over her face, then suddenly she turned almost fiercely away.

“None!”

She was walking away when John sprang after her, and caught her by the arm.

“Mary”—his voice was very quiet now—“are you in love with this fellow Bauerstein?”

She hesitated, and suddenly there swept across her face a strange expression, old as the hills, yet with something eternally young about it. So might some Egyptian sphinx have smiled.

She freed herself quietly from his arm, and spoke over her shoulder.

“Perhaps,” she said; and then swiftly passed out of the little glade, leaving John standing there as though he had been turned to stone.

Rather ostentatiously, I stepped forward, crackling some dead branches with my feet as I did so. John turned. Luckily, he took it for granted that I had only just come upon the scene.

“Hullo, Hastings. Have you seen the little fellow safely back to his cottage? Quaint little chap! Is he any good, though, really?”

“He was considered one of the finest detectives of his day.”

“Oh, well, I suppose there must be something in it, then. What a rotten world it is, though!”

“You find it so?” I asked.

“Good Lord, yes! There’s this terrible business to start with. Scotland Yard men in and out of the house like a jack-in-the-box! Never know where they won’t turn up next. Screaming headlines in every paper in the country—damn all journalists, I say! Do you know there was a whole crowd staring in at the lodge gates this morning. Sort of Madame Tussaud’s chamber of horrors business that can be seen for nothing. Pretty thick, isn’t it?”