Rolfe held his breath as a new and terrible suspicion arose within him.

He had never regarded the affair in that light. Was it possible that his master knew well all the circ.u.mstances which had led the doctor to disappear in that manner so extraordinary? Had he really had a hand in it?

Was he the "friend" of whom Sir Charles had spoken in Belgrade?

But no! He would not believe such a thing. Sam Statham was always honest in his dealings--or, at least, as honest as any millionaire can ever be. The man who habitually deals in colossal sums must now and then, of necessity ruin his opponents and wreck the homes of honest men.

And strange it is that the world is ever ungrateful. If a very wealthy man gave every penny of his profits to the poor he would only be dubbed a fool or an idiot for his philanthropy.

He recollected that afternoon when, at work in old Sam's room, he had mentioned the doctor's sudden departure, and how deftly the old man had turned the conversation into a different channel.

Until two days ago he would hear no word nor believe any ill against the man who had befriended him. But the man's refusal to a.s.sist him to discover the truth concerning the charge against Marion or to order her to be reinstated had turned his heart.

He was now Sam Statham's enemy, as before he had been his friend.

The two men seated together discussed the matter carefully and seriously for the greater part of the night, and when they parted to go to their rooms they took each other's hands in solemn compact.

"We will investigate that house, Rolfe," Max declared; "and we'll lay bare the mystery it conceals!"

CHAPTER FORTY FIVE.

THE IMPENDING BLOW.

Four nights later Max and Charlie alighted from the Scotch express at Euston on their return to London to make investigation.

Next morning Rolfe went as usual to Park Lane, and spent some hours attending to the old man's correspondence. The excuse Charlie made for his absence was that he had been away in an endeavour to find his sister, whereat the millionaire merely grunted in dissatisfaction. Both Charlie and Max were full of sorrow and anxiety on Marion's behalf.

What had befallen her they dreaded to guess. She had left Oxford Street, and from that moment had been swallowed in the bustling vortex of our great cruel London, the city where money alone is power and where gold can purchase everything, even to the death of one's enemy. Perhaps the poor girl had met with some charitable woman who had taken her in and given her shelter; but more probable, alas! she was wandering hungry and homeless, afraid to face the shame of the dastardly charge against her--the charge that to neither her brother nor her lover none would name.

That morning Charlie wrote on, mechanically, speaking little, with the old man seated near him sucking the stump of a cheap cigar. His mind was too full of the action he was about to execute--an action which in other circ.u.mstances would have indeed been culpable.

Both he and his friend had carefully considered all ways and means by which they might enter those premises. To get in would be difficult.

Old Levi bolted the heavy front door each night at eleven, and then retired to his room in the bas.e.m.e.nt, where he slept with one ear and his door open to catch the slightest sound.

And even though they obtained access to the hall and study there was the locked iron door at the head of the staircase--the door through which they must pa.s.s if their investigation of the house was to be made.

That morning he made excuse to leave the old man seated in his study, saying that he wanted to speak to Levi and give him a message for one of the clerks from Old Broad Street. Outside in the hall he sprang noiselessly up the stairs, and, pulling open the baize-covered door, swiftly examined the great iron fireproof door so carefully concealed and secured. His heart failed when he recognised the impossibility of pa.s.sing beyond. The door was enamelled white like the panelling up the stairs, only over the small keyhole was a flap of shining bra.s.s bearing the name of a well-known safe-maker. At imminent peril of discovery by Levi, who often shuffled in noiseless slippers of felt, he lifted the flap and peered eagerly beyond. He could, however, see nothing. The hole did not penetrate the door.

Then, fearing that he might be discovered, he slipped downstairs again, and went to examine the front door. The bolts were long and heavy, and the chain was evidently in use every night.

In the kitchen he found Levi, preparing his master's frugal meal, which usually consisted of a small chop, a piece of stale bread, and one gla.s.s of light claret. His visit below gave him an opportunity of examining the fastenings of the windows. They were all patent ones, and, besides, the whole were protected from burglars by iron bars.

Patent fastenings were also upon the windows of the study, looking forth upon Park Lane, while often at night the heavy oaken shutters were closed and barred. He had never before noticed how every precaution had been taken to exclude the unwelcome intruders.

Through the whole morning his brain was actively at work to discover some means by which an entry might be effected, but there seemed none.

The secret, whatever it might be, was certainly well guarded.

He went across to the club to lunch, and returned again at three o'clock. About four he rose, asking old Sam, who was seated writing, for a doc.u.ment from the safe, the key of which was upon his watch-guard.

The millionaire took out his watch and chain and handed them to his secretary, as he so often did, while the latter, crossing the room, opened the safe and fumbled about among some papers in one of the drawers.

Then he re-locked the safe, handed back the watch and chain, and re-seated himself at the table. Those few brief moments had been all-sufficient, for upon the bunch was the latch-key of the front door, an impression of which he had taken with the wax he had already prepared. The duplicate key could, he knew, be filed out of the handle of an old spoon, and such was his intention.

He had hoped to find upon the bunch the key to the iron door on the stairs, but it was not among them. He knew each key by sight. The old man evidently kept it in a safer place--some place where the hand of none other might be placed upon it.

Where did he keep it?

Its hiding-place must be somewhere handy, Charlie reflected, for at least half a dozen times a day the old man pa.s.sed that iron barrier which shut off the upper part of the mansion. He wondered where he could find that key, but remained wondering.

That evening he took the impression of the latchkey to Dover Street, and with Max's help tried to fashion a key to that pattern, but though they tried for hours it was in vain. So they gave it up. Next day Max took train to Birmingham, and handed the impression to a locksmith he chanced to know. The latter, having looked at it, shook his head, and said:

"This impression is no use, sir. It's what they call a paracentric lock, and you must have impressions of both sides, as well as the exact width back and front before I can make you a duplicate."

The man showed how the impressions should be taken. Max, of course, concocting a story as to why it was wanted, and then back to London he travelled that same night to consult with his friend.

The outcome of this was that two days later complete impressions were taken of the small latchkey, and within three days came the duplicate by post.

Max bought two electric torches, two pairs of felt slippers, a piece of thin but very strong rope, screwdriver, chisel, and other implements, until he had a full burglar's equipment. The preparations were exciting during the next few days, yet when they came down to bed-rock fact there was that locked door which stood between them and the truth.

Charlie's object in obtaining a duplicate latchkey was to enter noiselessly one night shortly before eleven, and secrete, themselves somewhere until Levi bolted the door and retired. They must take their chance of making any discovery they could. Both were well aware of Levi's vigilance, and his quickness of hearing. Therefore they would be compelled to work without noise, and also to guard against any hidden electric burglar alarms which might be secreted in the sashes of windows or in lintels of doors.

Investigation by Charlie had not revealed the existence of any of these terrors to thieves; yet so many were the precautions against intruders that the least suspected contrivance for their detection was to be expected.

Nearly a fortnight pa.s.sed before all arrangements were complete for the nocturnal tour of investigation. Daily Rolfe, though attentive to his duties as the old man's secretary, was always on the alert to discover the existence of that key to the iron door. By all manner of devices he endeavoured to compel Statham to unwittingly reveal its whereabouts. He made pretence of mistaking various keys to deed boxes and nests of drawers, in order that the old man should produce other keys. But he was too wary, and never once did he fall into the trap.

Yet often he left the study, pa.s.sed up the stain, and through the door swiftly, until the younger man began to suspect that it might be opened by means of some secret spring.

Standing below, he could not obtain sight of the old fellow as he opened the door, and to follow him half-way up was too dangerous a proceeding.

He had risked a good deal, but he dare not risk the old man's wrath in that.

Still that he pa.s.sed the door quickly and without hindrance was plainly shown. He had a key secreted somewhere--a key which, when applied, turned quickly, with ease and without noise, to admit the owner of the great mansion to the apartments where his secret was so successfully hidden.

Sometimes he would descend pale, haggard, and agitated, his hand upon his heart, as though to recover his breath. At others he was flushed and angry, like a man who had a moment before taken part in a heated discussion which had ended in a serious difference.

Charlie watched all this, and wondered.

What secret could possibly be hidden in those upper storeys that were at times so brilliantly lit?

Each evening he called on Max at Dover Street, and with closed door, so that the man should not hear, they discussed the situation.

Of Jean Adam nothing further had been seen. Neither had the hunchback engineer, Leonard Lyle, been at all it evidence. Ever since Max had given the Frenchman his decision not to go to Constantinople Adam had held aloof from him. They had parted perfectly good friends, but Max could detect the bitter chagrin that his reply had caused.

One evening as the two sat together Charlie related his curious experience of the short, dark, good-looking girl who had met him in Paris and talked so strangely of Maud in the Tuileries Gardens.

Max sat smoking his cigar listening to every word.

"Curious--very curious!" he e.j.a.c.u.l.a.t.ed. "Didn't she tall you her name?"

"She gave it as Lorena."

"Lorena!" gasped the other, starting up. "Lorena--why, it must have been Lorena Lyle--old Lyle's daughter?"