Murtagh observed this process with considerable skeptical resignation. He drained his cup and sat stolidly hunched on his stool as Jamie sprang to his feet and began circling the little clansman, whistling tunelessly through his teeth.

“I take it you have an idea?” I said.

“Oh, aye,” he said, and began to laugh softly to himself. “Oh, aye, that I have.”

He turned to me, eyes alight with mischief and inspiration.

“Have ye anything in your box of medicines that would make a man feverish? Or give him flux? Or spots?”

“Well, yes,” I said slowly, thinking. “There’s rosemary. Or cayenne. And cascara, of course, for diarrhea. Why?”

He looked at Murtagh, grinning widely, then, overcome with his idea, cackled and ruffled his kinsman’s hair, so it stuck up in black spikes. Murtagh glared at him, exhibiting a strong resemblance to Louise’s pet monkey.

“Listen,” Jamie said, bending toward us conspiratorially. “What if the Comte St. Germain’s ship comes back from Portugal wi’ pox aboard?”

I stared at him. “Have you lost your mind?” I inquired politely. “What if it did?”

“If it did,” Murtagh interrupted, “they’d lose the cargo. It would be burnt or dumped in the harbor, by law.” A gleam of interest showed in the small black eyes. “And how d’ye mean to manage that, lad?”

Jamie’s exhilaration dropped slightly, though the light in his eyes remained.

“Well,” he admitted, “I havena got it thought out all the way as yet, but for a start…”

The plan took several days of discussion and research to refine, but was at last settled. Cascara to cause flux had been rejected as being too debilitating in action. However, I’d found some good substitutes in one of the herbals Master Raymond had lent me.

Murtagh, armed with a pouch full of rosemary essence, nettle juice, and madder root, would set out at the end of the week for Lisbon, where he would gossip among the sailors’ taverns, find out the ship chartered by the Comte St. Germain, and arrange to take passage on it, meanwhile sending back word of the ship’s name and sailing date to Paris.

“No, that’s common,” said Jamie, in answer to my question as to whether the captain might not find this behavior fishy. “Almost all cargo ships carry a few passengers; however many they can squeeze between decks. And Murtagh will have enough money to make him a welcome addition, even if they have to give him the captain’s cabin.” He wagged an admonitory finger at Murtagh.

“And get a cabin, d’ye hear? I don’t care what it costs; ye’ll need privacy for taking the herbs, and we dinna want the chance of someone seeing ye, if you’ve naught but a hammock slung in the bilges.” He surveyed his godfather with a critical eye. “Have ye a decent coat? If you go aboard looking like a beggar, they’re like to hurl ye off into the harbor before they find out what ye’ve got in your sporran.”

“Mmphm,” said Murtagh. The little clansman usually contributed little to the discussion, but what he did say was cogent and to the point. “And when do I take the stuff?” he asked.

I pulled out the sheet of paper on which I had written the instructions and dosages.

“Two spoonfuls of the rose madder – that’s this one” – I tapped the small clear-glass bottle, filled with a dark pinkish fluid – “to be taken four hours before you plan to demonstrate your symptoms. Take another spoonful every two hours after the first dose – we don’t know how long you’ll have to keep it up.”

I handed him the second bottle, this one of green glass filled with a purplish-black liquor. “This is concentrated essence of rosemary leaves. This one acts faster. Drink about one-quarter of the bottle half an hour before you mean to show yourself; you should start flushing within half an hour. It wears off quickly, so you’ll need to take more when you can manage inconspicuously.” I took another, smaller vial from my medicine box. “And once you’re well advanced with the ‘fever,’ then you can rub the nettle juice on your arms and face, to raise blisters. Do you want to keep these instructions?”

He shook his head decidedly. “Nay, I’ll remember. There’s more risk to being found wi’ the paper than there is to forgetting how much to take.” He turned to Jamie.

“And you’ll meet the ship at Orvieto, lad?”

Jamie nodded. “Aye. She’s bound to make port there; all the wine haulers do, to take on fresh water. If by chance she doesna do so, then-” He shrugged. “I shall hire a boat and try to catch her up. So long as I board her before we reach Le Havre, it should be all right, but best if we can do it while we’re still close off the coast of Spain. I dinna mean to spend longer at sea than I must.” He pointed with his chin at the bottle in Murtagh’s hand.

“Ye’d best wait to take the stuff ’til ye see me come on board. With no witnesses, the captain might take the easy way out and just put ye astern in the night.”

Murtagh grunted. “Aye, he might try.” He touched the hilt of his dirk, and there was the faintest ironic emphasis on the word “try.”

Jamie frowned at him. “Dinna forget yourself. You’re meant to be suffering from the pox. With luck, they’ll be afraid to touch ye, but just in case… wait ’til I’m within call and we’re well offshore.”

“Mmphm.”

I looked from one to the other of the two men. Farfetched as it was, it might conceivably work. If the captain of the ship could be convinced that one of his passengers was infected with smallpox, he would under no circumstances take his ship into the harbor at Le Havre, where the French health restrictions would require its destruction. And, faced with the necessity of sailing back with his cargo to Lisbon and losing all profit on the voyage, or losing two weeks at Orvieto while word was sent to Paris, he might very well instead consent to sell the cargo to the wealthy Scottish merchant who had just come aboard.

The impersonation of a smallpox victim was the crucial role in this masquerade. Jamie had volunteered to be the guinea pig for testing the herbs, and they had worked magnificently on him. His fair skin had flushed dark red within minutes, and the nettle juice raised immediate blisters that could easily be mistaken for those of pox by a ship’s doctor or a panicked captain. And should any doubt remain, the madder-stained urine gave an absolutely perfect illusion of a man pissing blood as the smallpox attacked his kidneys.

“Christ!” Jamie had exclaimed, startled despite himself at the first demonstration of the herb’s efficacy.

“Oh, jolly good!” I said, peering over his shoulder at the white porcelain chamber pot and its crimson contents. “That’s better than I expected.”

“Oh, aye? How long does it take to wear off, then?” Jamie had asked, looking down rather nervously.

“A few hours, I think,” I told him. “Why? Does it feel odd?”

“Not odd, exactly,” he said, rubbing. “It itches a bit.”

“That’s no the herb,” Murtagh interjected dourly. “It’s just the natural condition for a lad of your age.”

Jamie grinned at his godfather. “Remember back that far, do ye?”

“Farther back than you were born or thought of, laddie,” Murtagh had said, shaking his head.

The little clansman now stowed the vials in his sporran, methodically wrapping each one in a bit of soft leather to prevent breakage.

“I’ll send word of the ship and her sailing so soon as I may. And I’ll see ye within the month off Spain. You’ll have the money before then?”

Jamie nodded. “Oh, aye. By next week, I imagine.” Jared’s business had prospered under Jamie’s stewardship, but the cash reserves were not sufficient to purchase entire shiploads of port, while still fulfilling the other commitments of the House of Fraser. The chess games had borne fruit in more than one regard, though, and Monsieur Duverney the younger, a prominent banker, had willingly guaranteed a sizable loan for his father’s friend.