Twenty physicians bled the Duke of Penrith for three months and called it “bad blood.” But a poor maid earning only a few shillings a week scrubbing floors discovered a poisoned green stitch hidden in his collar — revealing the chilling truth that not a single doctor had seen.

PART 1

The air in the Duke’s bedchamber was thick enough to chew.

It smelled of scorched lavender, copper blood, and the stale sour sweat of a man who had been dying for three months.

Dr. Horus Lipton, the twentieth physician to cross the threshold of Penri Manor, wiped a smear of blood from his lancet with a pristine linen cloth. He did not look at the man bleeding into the brass bowl on the mattress. He looked at the ornate plaster moulding on the ceiling.

“His Grace’s humours are entirely stagnated,” Lipton announced. His voice carried the practised boom of a man used to charging a guinea a minute. “The bleeding has relieved the pressure on his heart, but the putrefaction of his liver is irreversible. You may summon the vicar, Lord Edward.”

Standing by the door, cousin Edward adjusted his cuffs. He arranged his face into a mask of solemn grief, though the corners of his mouth betrayed a microscopic twitch of satisfaction.

“A tragedy, doctor. He is but thirty-two.” Edward let out a slow breath. “The entire dukedom will weep.”

“God’s will,” Lipton muttered, packing his instruments into a leather satchel. “Keep him comfortable. Laudanum every hour, until the breathing stops.”

They left.

The heavy mahogany doors clicked shut, sealing the room like a tomb.

Norah remained in the corner.

She was supposed to be invisible. Chambermaids were part of the furniture — expected to haul water, empty chamber pots, scrub bloodstains out of the carpets without making a sound. She leaned against the washstand with her hands buried in a bucket of cold soapy water, waiting for the heavy footsteps in the corridor to fade.

Then she pulled her hands out.

They were raw, split at the knuckles from lye soap, the fingernails blunt and chipped.

She dried them on her rough cotton apron and walked over to the bed.

Alistair Hawthorne, Duke of Penrith, looked like a corpse that had merely forgotten to stop breathing. His skin was the colour of old parchment stretched tight over the sharp jut of his cheekbones. Dark, bruised hollows sank beneath his eyes. His chest rose and fell in shallow, ragged jerks.

A month ago he had been a terror. Barking orders. Throwing tea trays at the walls. Demanding answers from the parade of terrified doctors.

Now he was a pile of bones drowning in silk sheets.

Norah did not feel sorry for him. Sympathy was a luxury for the rich. What she felt was a dull, scraping frustration. She had watched twenty men — learned men, men with velvet coats and carriages — slice him open, blister his back with hot glass, and feed him mercury until his gums bled.

They had tortured him in the name of science.

She picked up the brass bowl of blood. It was warm. She dumped it into the slop bucket with a wet splash.

“Useless,” she whispered to the empty room.

Alistair groaned — a wet, rattling sound. His head tossed weakly against the embroidered pillows. Sweat beaded on his forehead, rolling down his temples and soaking into the collar of his nightshirt.

It was a magnificent garment. An emerald green silk dressing shirt, heavily embroidered with silver and dark green threads around a high collar. Cousin Edward had gifted it to him at the onset of his illness, insisting the fine silk would be gentle on his fevered skin.

The Duke had practically lived in it since.

Norah grabbed a damp cloth to wipe his brow. As she leaned over him, her forearm brushed against his neck.

He flinched violently. A ragged hiss escaped his cracked lips.

Norah froze.

She pulled back. The skin around his neck — right where the heavy embroidered collar rested against his throat — was a mess. Angry, weeping blisters. The doctors had dismissed it as a symptom of his internal decay.

Norah squinted in the dim candlelight.

She was not a doctor. She was a maid.

But before she was a maid, she had been a seamstress in London’s damp, overcrowded textile district. She knew fabrics. She knew dyes.

And she knew what happened when cheap, lethal chemicals met human sweat.

She set the cloth down and leaned in closer, her face inches from the Duke’s ruined throat. The heavy embroidery on the collar was not just green. It was a brilliant, vivid, almost luminescent shade.

Scheele’s Green.

A dye made of copper arsenite. Highly fashionable in London drawing rooms. Highly toxic if ingested — and deadly if pressed directly against open pores, day after day, sweating the arsenic straight into the bloodstream.

Norah traced the line of the collar with a calloused fingertip. The green threads were rougher than the silk. Coarse. Dyed separately. Stitched in later.

Hundreds of tiny, meticulous stitches pressing directly against the raw, blistered skin at his throat.

The twenty greatest medical minds in England had been treating a dying liver.

They had missed a poisoned stitch.

The clock on the mantel ticked. A heavy metallic sound that seemed to strike against Norah’s ribs.

She stared at the collar.

A rational person would go to the housekeeper. A rational person would run to cousin Edward and inform him of the dreadful mistake with the garment.

But Norah had grown up in the slums of Spitalfields, and she had never survived by being naive.

Men did not commission custom garments with arsenic-dyed embroidery by accident. Arsenic dye was used for wallpaper. For artificial flowers. For stiff ball gowns worn over layers of petticoats. It was not used for the soft inner lining of a sick man’s collar.

Cousin Edward had not bought this off a rack. He had ordered it.

He was killing the Duke one drop of sweat at a time.

And if she told anyone, she would be dismissed. Or worse — she would have an unfortunate accident on the icy stairs to the scullery. Poor maids who accused wealthy lords of murder did not live to collect their pensions.

Alistair shuddered. A violent tremor racked his skeletal frame, and his breathing hitched — stopping entirely for three terrifying seconds before catching again in a wet gasp.

Norah did not have time to be rational.

She pulled a pair of heavy fabric shears from her apron pocket — a habit held over from her days in the dress shop. She slid one arm beneath the Duke’s shoulders and propped him up.

He weighed nothing. It was like lifting a bundle of dry twigs.

“Hold still, Your Grace,” she muttered, though he was entirely unresponsive.

She positioned the cold steel of the shears against his collarbone and snipped.

The thick silk gave way with a satisfying crunch. She cut down the front of the shirt, destroying thirty pounds’ worth of fine tailoring in ten seconds. She peeled the garment off him. The fabric clung to his blistered neck, coming away with a sickening sound.

Alistair cried out — a weak, reedy sound of pure agony. His eyes fluttered open, fever-bright, unfocused, swimming in pain. He stared blindly at the ceiling.

“Shh,” Norah said, her voice entirely devoid of bedside manner. It was the tone one used with a panicking horse. “It’s off. You’re done wearing poison.”

She balled up the shredded green shirt and shoved it aggressively into the bottom of her slop bucket, burying it beneath the bloody rags and the dirty water.

Now what?

She looked at the Duke. He was shivering violently, naked from the waist up, his skin mottled and grey.

Cutting the shirt away would stop the worst of it — the raw, weeping wound at his throat, feeding poison straight into his blood with every hour he wore it. But it would not undo what was already done. The green dye had been flaking for weeks, dusting his collar, his pillow, his own hands whenever he scratched at the blisters in his sleep. Hands that had touched his food. His cup. His mouth. Some of it, she was certain, he had swallowed as well as worn. The doctors had bled him half to death and never once thought to give him anything to bind what might still be sitting in his belly.

Norah dragged a heavy wool blanket over his chest. Then she walked to the fireplace.

A low fire burned in the grate. She grabbed the iron tongs and fished out a thick, charred chunk of wood — still glowing on one end. She dropped it into the brass mortar and pestle the last doctor had abandoned on the side table and ground the charcoal down with aggressive, rhythmic thrusts.

Her shoulders ached. Her empty stomach growled. It was past midnight and she was risking the gallows for a man who had never once looked her in the eye.

Why am I doing this? she thought, grinding the ash into a fine black powder. Let him die. The new duke will need maids just the same.

But as she looked back at the bed — watching the pathetic flutter of his pulse at the base of his ruined throat — she felt the stubborn flare of defiance that had always got her into trouble.

She hated cousin Edward’s smug face. She hated the doctors with their clean hands and dirty ignorance. Most of all, she hated the idea of a man being murdered in plain sight, while a house full of servants polished the silver around him.

She scooped the charcoal powder into a silver goblet, poured in a measure of tepid water from the wash jug, and stirred it with a spoon.

It looked like ink. It smelled like smoke and earth.

Norah returned to the bed and sat on the edge of the mattress — a sackable offence. She slid her arm behind his neck again, mindful of the blisters, and lifted his head.

“Drink,” she ordered.

Alistair’s lips were clamped shut. He was locked in delirium. Norah did not coax him. She pinched his nose hard.

When his mouth popped open to gasp for air, she tipped the goblet and poured the black sludge down his throat.