I

The riders put their horses to a walk. It was getting late in the afternoon, and the sun, crimson and cheerless, was setting in a sea of slate-coloured mist. A blustering wind from the south-west blew intermittent rain showers into the faces of the two solitary wayfarers. They had ridden hard all day—a matter of over thirty miles from Evreux—and one of them, at any rate, a middle-aged, stoutish, official-looking personage, showed signs both of fatigue and of growing ill-temper. The other, younger, more slender, dressed in colourless grey from head to foot, his mantle slung lightly from his shoulders, his keen eyes fixed straight before him, appeared moved by impatience rather than by the wind or the lateness of the hour.

The rain and the rapidly falling dusk covered the distant hills and the valley beyond with a mantle of gloom. To right and left of the road the coppice, still dressed in winter garb, already was wrapped in the mysteries of the night.

"I shall not be sorry to see the lights of Mantes," said M. Gault, the commissary of police of Evreux, to his companion. "I am getting saddle-sore, and this abominable damp has got into my bones."

The other sighed with obvious impatience.

"I would like to push on to Paris to-night," he said. "The moon will be up directly, and I believe the rain-clouds will clear. In any case the night will not be very dark, and I know every inch of the way."

"Another six hours or more in the saddle!" growled the commissaire. "No, thank you!"

"I thought you were anxious about those escaped prisoners of yours," observed the Man in Grey.

"So I am," retorted M. Gault.

"And that you desired Monsieur le Ministre to hear of the escape through your lips, before rumour hath played havoc with the event," continued the other tartly.

"So I do—so I do!" grunted the commissary. "But those damned Chouans only got away last night from Evreux, where they should never have been brought. They were apprehended at Caen; the outrage, which you were able to avert, had been planned and was discovered at Caen; the knaves should have been tried and hanged at Caen. Instead of which," continued M. Gault wrathfully, "they were marched to Evreux, on their way to Paris. At Evreux we had neither the facilities nor the personnel to guard such a rusé gang adequately—they gave us the slip——"

"And," interrupted the Man in Grey, in his iciest manner, "the men who planned to murder the Emperor are now at large, free to concoct a further outrage, which, this time, may prove successful!"

"Through no fault of mine!" protested the commissary.

"That will be for the Minister to decide," concluded the Man in Grey.

But even this thinly-veiled threat failed to instil new vigour into M. Gault. Alarmed at the possible effects upon his future career of what might be deemed official negligence, he had wished to place his excuses personally before His Majesty's Minister of Police, ere the latter could hear through outside sources that the desperate gang of malefactors who had planned the affair of the infernal machine against the Emperor's life had escaped from Evreux, and that such astute and reckless criminals as Blue-Heart and White-Beak were again at large. In spite of M. Gault's anxiety, however, to be the first to gain the Minister's ear, his whole middle-aged, over-indulged person protested against any prolongation of what had become torturing fatigue.

"You are young, Monsieur Fernand," he added dolefully. "You do not realise—— Malediction! What was that?" he ejaculated, as his horse gave a sudden jump to one side and nearly unseated him. The animal had shied at something not at present visible to its rider. It was still retreating, with ears set back, nostrils quivering, its body trembling with fright, so that M. Gault had the greatest difficulty alike to keep his seat and soothe the poor beast.

"I wonder what the brute shied at," he said.

But already the Man in Grey had dismounted. He led his horse across the road, and then to a spot where, on the farther side of the intervening ditch, a large, dark mass lay huddled, only vaguely discernible in the gloom. He peered with anxious eyes into the darkness; then he called to the commissary.

"I pray you hold my horse, Monsieur Gault," he said peremptorily.

"What is it?" queried the latter as—still with some difficulty—he brought his horse alongside the other and gathered up the reins which Fernand had thrown to him.

"That is just what I wish to ascertain," replied the Minister's agent simply.

He jumped lightly over the ditch and approached the huddled mass. This proved to be the body of a young man with fair hair and beard, dressed in rough peasant's clothes. The linen blouse he wore was smeared round about his shoulders with stains of a dull crimson colour, whilst the dead leaves beneath him were soiled in the same way. In a moment, Fernand had passed his slim, experienced hand over the face of the man, over his body and his feet, which were bare. These were cold and rigid, but the stains upon the blouse and upon the bed of dead leaves were yet dank to the touch.

"What is it?" queried the commissary again, more impatiently.

"Murder!" replied the Man in Grey laconically.

"The high roads are not safe," remarked M. Gault sententiously. "And even in this district, where those satané Chouans do not ply their nefarious trade, the police seem unable to ensure the safety of peaceable travellers."

He gave an involuntary shiver and gazed anxiously behind him.

"I pray you, Monsieur Fernand," he said, "do not let us linger here. This is an affair for the local police, and we must get to Mantes before dark."

"You need not linger, Monsieur le Commissaire," rejoined the Man in Grey. "I pray you, tie my horse to the nearest tree and continue your journey, if you have a mind."

He had risen to his feet and appeared to be examining the ground closely all round the spot where lay the body of the murdered man. M. Gault uttered one of his favourite oaths. Indeed, he had no mind to continue his journey alone, with those murdering footpads lurking in the woods and the road to Mantes lonely and unsafe.

"What are you looking for now, Monsieur Fernand?" he queried sharply. "Surely, the police of Mantes can deal with the affair. Are you looking for traces of the miscreants?"

"No," replied the other, "I am looking for the murdered man's boots."

"The murdered man's boots!" exclaimed the commissary crossly. "Why, the fellow is just a rough peasant, and no doubt he walked barefoot."

"No doubt," agreed the Man in Grey.

Nevertheless, he continued his search and even plunged into the thicket, only to emerge therefrom in a minute or two, as the darkness made it impossible to distinguish anything that might be hidden in the undergrowth.

"I don't know why you should be so obstinate about those boots!" growled the commissary.

But to this remark the Man in Grey vouchsafed no reply. He had resumed his mount and was already in the saddle.

"I am going on to Paris," he said briefly.

Poor M. Gault heaved a doleful sigh.

"To Paris!" he ejaculated pitiably. "But I——"

"You'll stay at Mantes," enjoined the Minister's agent emphatically, "and there await my orders or those of Monsieur le Ministre. You are on no account to leave your post," he added sternly, "on pain of instant dismissal and degradation."

With that he put his horse to a sharp trot, heedless whether the unfortunate commissary followed him or not.