The abolitionist press on Pearl Street smelled of lamp oil and fresh lead, the ink still wet on handbills that would be distributed by dawn. Margaux sat on a crate in the corner, watching Theodore Pemberton set type with his four remaining fingers and the heel of his palm, the rhythm as fluid as breathing. Three days since they'd fled the relay station. Three days since the sounder had clicked to life in an empty room at half past three in the morning, speaking to no one.
She hadn't slept. Not properly. The eleven minutes of ghost pattern transcribed on the paper she'd pinned inside her coat seemed to grow heavier by the hour, the ink pressing against her ribs like a bruise that wouldn't fade.
"You're staring," Theodore said without looking up. His voice carried the measured cadence of a man accustomed to reading aloud. "When you stare like that, you look like you're composing my obituary."
"I'm composing mine." She shifted on the crate. "It's shorter."
Theodore slotted the last piece of type and straightened, pushing his gold spectacles higher on the bridge of his nose. The gaslight caught the stub of his missing left ring finger, the skin there scarred and smooth. He'd told her once, in the careful way he explained everything, that the press had taken the fingers but given him something betterâa reason to learn to set type one-handed. A reason to leave the newspaper that had employed him and never once paid him what his white counterparts earned. Now he ran this press for the cause, printing abolitionist tracts beneath a dry goods store that sold molasses and lies in equal measure.
"Ezekiel's sleeping," Theodore said, nodding toward the back room where Voss had collapsed four hours ago, his oilskin coat still on, his body curled around a pillow like a man protecting classified documents. "He needed it. The poor bastard jumps at every sound in the walls."
"With reason."
"With reason," he agreed. He pulled a cloth from his pocket and wiped ink from his knuckles, watching her with that particular expression he wore when he was deciding whether to say something difficult. She'd come to recognize it over the past seventy-two hoursâthe slight tightening of his jaw, the way his gaze drifted to the middle distance before returning, sharpened.
"Out with it," she said.
"You can't hide here forever, Margaux. And you can't solve this from a cellar."
"I wasn't planning to solve it. I was planning to survive it."
"Those aren't the same thing, and you know it." He leaned against the press, folding his arms. "The ghost signal is still in those wires. The men who broke into the station are still looking for you. And whatever that pattern saysâ" he gestured toward her chest, where the paper lay hidden, "âit's not going to decode itself."
"I need someone who understands the infrastructure. Someone who knows how the Order moves through the trunk lines."
"You need more than that. You need someone who can get you close to the people operating those lines. Someone with access." He paused, and when he spoke again, his voice had shiftedâstill measured, still precise, but carrying an undercurrent of weight that told her he'd been thinking about this for longer than he let on. "There is one person in Washington whose drawing room connects to every corridor of power in this country. She was married to a Secretary of War. She hosts gatherings that senators and generals and newspaper editors kill to attend. And she owes me a favor."
Margaux's jaw tightened. "A socialite."
"A strategist. The most dangerous woman in the District, and that's not my assessmentâthat's the collective opinion of every man who's ever underestimated her." Theodore's mouth curved, but the humor didn't reach his eyes. "Mrs. Adelaide Mercer. Her late husband, General Harmon Mercer, served as Secretary of War under Pierce. He died eight years ago. Officially, a stomach ailment."
"And unofficially?"
"That's what you'll need to ask her."
Margaux looked down at her handsâink-stained, calloused, the nails bitten to the quick. She was wearing Theodore's spare shirt, too broad in the shoulders, and her hair was growing out unevenly from the cut she'd given herself with station shears. She looked like exactly what she was: a disgraced telegraph operator who'd been sleeping in cellars and running from shadows.
"She'll take one look at you and know exactly what you are," Theodore said. "Which is why she'll listen."
---Mrs. Mercer's townhouse on I Street was a Federal-style brick that managed to convey both restraint and intimidation. White columns framed a door painted the deep green of old money, and the windows glowed with the warm amber of gaslight that must have cost a fortune to maintain at that brightness. Carriages lined the street, their horses stamping in the February cold, their drivers huddled in greatcoats.
Margaux stood across the road, wearing a coat Adelaide Mercer had never seen and would never approve of. She'd scrubbed the ink from her fingers as best she could and pinned her hair back, but there was no hiding what she was. Not really. Not from someone like Mercer.
"You'll be fine," Theodore said beside her. He'd insisted on walking her here, though he wouldn't go in. A Black man at Mrs. Mercer's door would raise different questions than the ones Margaux was trying to answer, and neither of them could afford complications tonight.
"I've been fine before. It's never lasted."
"Margaux." His voice dropped, and she felt the weight of his attention like a hand on her shoulder. "Remember what you're walking into. These people don't fight with weapons. They fight with implications. Every word she says will have a second meaning. Don't react to the first."
"I know how to read between lines. It's literally what I do."
He almost smiled. "Go. And for God's sake, let her think she's in control."
The door was opened by a butler whose expression suggested he had seen far worse than a woman in an ill-fitting coat claiming to be a journalist from the Baltimore American. He took her nameâshe gave the alias Theodore had arranged, Catherine Loomisâand showed her into a parlor that hit her senses like a wall of perfume and candle smoke.
The room was magnificent. Deep burgundy wallpaper, gilded mirrors that doubled the candlelight, a crystal chandelier that threw fractured rainbows across a ceiling painted with mythological scenes. Perhaps forty guests moved through the space in currents of silk and wool, their voices layered into a wash of sound that made Margaux's teeth itch. She couldn't stop catalogingâthe weight of the silver, the quality of the lace, the way the men's eyes moved when they thought no one was watching.
A servant offered her champagne. She took it because it gave her hands something to do.
"Miss Loomis?" A man with a senator's bearing materialized at her elbow. "I don't believe we've met. Tell me, what beat do you cover?"
"Municipal infrastructure," Margaux said, which was true enough to be boring and false enough to be safe.
He nodded, already losing interest, and drifted toward the punch bowl. She exhaled. She could do this. She could stand in this room and pretend to be someone she wasn't for long enough toâ
"You're not a journalist."
The voice came from behind her, low and musical, carrying the slow cadence of tidewater Virginia. Margaux turned.
Adelaide Mercer stood in the doorway of an adjoining room, leaning on an ebony cane with a silver handle shaped like a heron's head. She was tallânearly Margaux's height even without the elaborate arrangement of steel-gray hair that added another two inchesâand she wore deep amethyst silk that made her look like she'd been carved from the gemstone itself. Her cheekbones could have cut glass. Her eyes were the color of strong tea, and they were fixed on Margaux with an expression that combined absolute recognition with absolute control.
"You're Robert Holloway's girl," Mrs. Mercer said, not loudly, but with a clarity that cut through the room's noise like a telegraph sounder through silence. "And you can stop pretending, dear, because I knew your father, and I can see him in the shape of your jaw."
The room didn't go quietâno one else had heardâbut Margaux felt as though every sound had been pulled away, leaving only this woman's voice and the hammering of her own pulse.
"Mrs. Mercerâ"
"Come with me." It was not a request. The older woman turned and disappeared through the doorway, her limp pronounced but unhurried, each step a declaration. Margaux followed because there was nothing else to do.
The adjoining study was smaller, darker, lined floor to ceiling with books. A fire burned in the grate. The door closed behind them with a sound of finality.
"Sit," Mrs. Mercer said, lowering herself into a wingback chair with the practiced grace of a woman who had learned to make physical limitation look like ceremony. She arranged her skirts, set her cane against the armrest, and looked at Margaux with an expression that might have been sympathy in a less formidable face. "I wondered when you'd come. Pemberton's message was characteristically eloquent, but it told me nothing I hadn't already guessed."
"You know Pemberton?"
"I know everyone, dear. That's the burden and the privilege of widowhood. People assume you're decorative." She smiled, and it was terrifying in its warmth. "Your father came to me in '52, you know. Before everything went sideways for him. He was convinced someone was using the telegraph network to manipulate naval procurement contracts. I thought he was obsessive and possibly unhinged."
"He was obsessive," Margaux said. "He wasn't unhinged."
"No. He wasn't." Mrs. Mercer's expression shifted, the warmth cooling into something harder, older. "My husband believed him. Harmon took the allegations to the War Department's internal review board. Three weeks later, he was dead. They called it gastroenteritis. I called it arsenic, but no one asked me."
The fire crackled. Margaux felt the paper against her breastbone, the ghost pattern pressing into her skin like a brand.
"You've been waiting," Margaux said slowly.
"I've been waiting for someone who could see what Harmon saw. What your father saw." Mrs. Mercer tilted her head, studying Margaux the way a jeweler studies a stoneâlooking for flaws, looking for value, looking for the fracture line. "Can you, dear? See what's in the wires?"
"Yes."
"Then we understand each other." Mrs. Mercer reached for a ledger on the side tableâleather-bound, thick, its pages swollen with years of insertions. She opened it to a page dense with names and dates. "The Order of the Brass Key has existed in some form since '46. They grew out of the telegraph consortiumsâmen who understood that controlling information meant controlling the country. They've embedded themselves in every major trunk line between Boston and New Orleans. They can move instructions through routine transmissions, influence decisions at a distance, make a governor hesitate or a general delay, and no one on the receiving end ever knows they've been touched."
"I know what ghosting is," Margaux said. "I've known since I was nineteen."
Mrs. Mercer's eyes narrowedânot with suspicion, but with the sharp interest of a collector who'd just spotted something rare. "Yes. I imagine you would."
She closed the ledger. "There is a gala. In Philadelphia, two weeks from now. The Order hosts it annually under the auspices of the National Telegraph Benevolent Societyâa charity for widows and orphans of linemen, which is grotesque given what they do to linemen who disappoint them. Every significant figure in the Order will be present. It is the only event where one might observe their full network in a single room."
"You want me to go."
"I want you to go as my guest. I have an invitation. I attend every yearâit's expected. The widow of a Secretary of War who died of a convenient stomach ailment is permitted her eccentricities." Mrs. Mercer's mouth curved. "But I need something from you in return."
"Of course you do."
"You'll go in as a journalist. Pemberton's contacts can build the cover. But while you're inside, you'll be my eyes. You'll report everything you see, everything you hear, and everything you feel in those wires back to me. I've spent eight years building a picture of this organization from the outside. I need someone who can see it from within."
Margaux stared at the fire. The flames threw patterns on the hearthâshifting, geometric, almost like Morse if she let her perception drift. She could feel the telegraph line that ran beneath this very street, the low hum of current that never quite stopped, that sang behind her molars like a tuning fork pressed to bone.
"You're asking me to walk into the people who broke into my station. Who may have killed my father. Who areâ" She stopped. Swallowed. "You're asking me to walk into the lion's mouth."
"I'm asking you to walk into the lion's mouth with your eyes open, which is more than anyone else has ever been offered the chance to do." Mrs. Mercer leaned forward, and the firelight caught the cameo at her throatâa carved ivory woman's face, mouth open, as if mid-scream. "Your father tried to expose them from the outside. Harmon tried to expose them from within the government. Both are dead. The only avenue left is infiltration."
"And you stay here. Comfortable. Connected. Safe."
Mrs. Mercer laughedâa real laugh, sudden and sharp enough to startle. "Oh, dear. You think I'm safe?" She gestured at the door, at the party beyond, at the entire edifice of her life. "I have been poisoning myself in microscopic doses for six years to build tolerance, because I watched my husband die and I swore it would not happen to me. I sleep with a Derringer under my pillow. I have not been safe since 1853, and I will not be safe until the Order is dismantled and its members scattered like rats from a burning grain elevator."
The silence that followed was absolute.
Margaux looked at Adelaide Mercerâat the steel in her spine, the calculation in her tea-dark eyes, the tremor in her left hand that she hid beneath the folds of her skirtâand saw something she recognized. The particular exhaustion of a person who had been carrying a secret too large for one set of shoulders.
"The Philadelphia gala," Margaux said. "Two weeks."
"Two weeks," Mrs. Mercer confirmed. "I'll provide wardrobe, credentials, and an introduction. Pemberton will handle your briefing on the Order's known membership. It won't be enough, but it will be a start."
She stood, reaching for her cane, and crossed to the window. Outside, the carriages were beginning to depart. The party was ending. The world was continuing as though nothing had changed, as though the country weren't splitting along its seams like a hull striking ice.
"One more thing," Mrs. Mercer said, her back to Margaux, her reflection in the glass ghostly and indistinct. "Silas Crane will be there."
The name landed like a stone in still water. Margaux went cold.
"Crane doesn't merely attend," Mrs. Mercer continued, her voice dropping into something lower, more careful, as if even the walls might listen. "He personally vets every guest. Reviews every invitation. Approves every name on the list before the doors open. He collects information the way other men collect artâcompulsively, obsessively, with an eye for detail that would be admirable if it weren't so terrifying."
She turned. The firelight threw half her face into shadow.
"He already knows Robert Holloway had a daughter, dear. And he already knows she can see ghosts in the wires."