4. The Volt and the Voice

The drill's whine filled the chamber like a swarm of angry hornets.

Wei Shang lay strapped to the table, his head immobilized by a leather band across his forehead. The bronze bit spun inches from his left temple, its spiral blade catching the lamplight in hypnotic flashes. Uncle Zhao stood over him, his sleeves rolled back, his expression one of almost ecclesiastical serenity. A surgeon at prayer.

"You will feel pressure first," Uncle Zhao said, his voice conversational, as if he were describing the weather. "Then a cracking sensation. Not pain, precisely—the brain itself has no nerve endings. But the meninges, the protective layers, those will scream. Most patients lose consciousness when the drill penetrates the skull. The lucky ones do not wake up. The unlucky ones wake up changed. Empty. Docile. A perfect vessel with no captain."

Wei Shang's fingers curled around the vial of monkshood hidden in his sleeve. Half a dose to slow the heart, to feign death. But even if he managed to drink it without the guards noticing, there was no guarantee Dr. Qi would be able to retrieve him. She was imprisoned in the west wing, undergoing her own torment. And Mei, the mute kitchen girl, lay unconscious on the floor of his cell.

The scratching in the walls had grown louder. It was not random now—it had a rhythm, a purpose. Uncle Zhao paused, tilting his head.

"What is that noise?"

One of the soldiers shrugged. "Rats, Director. The west wing is full of them."

"Rats do not scratch in patterns." Uncle Zhao set down the drill and walked to the wall, pressing his ear against the stone. The scratching stopped. He frowned and rapped the stone with his knuckles. "There is something in the ventilation shaft. Fetch a pole. Flush it out."

The soldier hesitated. "Director, the prisoner—"

"Will keep. The drill requires a steady hand, and I will not operate while vermin scuttle behind the walls."

The soldiers moved toward the door, leaving only one attendant to watch Wei Shang. It was a small opening, but it was all he had. As Uncle Zhao turned his back, Wei Shang twisted his wrist and worked the vial free from his sleeve. He bit off the wax stopper and let the bitter liquid flood his mouth—not a full dose, not half, but a quarter. Enough to slow his pulse without stopping it entirely. He swallowed, and the monkshood spread through his chest like ice spreading across a winter pond.

His heartbeat slowed. His breathing shallowed. The edges of his vision darkened, and the sound of the drill faded to a distant hum. He let his head fall to the side, his eyes half-closed, his body limp. To the attendant, he would appear to have fainted—or worse.

"Director," the attendant called, his voice tinged with panic. "The prisoner—I think he is—"

Uncle Zhao spun around. He crossed the room in three strides and pressed two fingers to Wei Shang's throat, feeling for the pulse. His eyes narrowed.

"His heart is barely beating. Did you give him something?"

"No, Director. He has been strapped down the entire time."

Uncle Zhao's face twisted with frustration. "The treatment will have to wait. I cannot drill into a man whose heart might stop at the first incision. Sun Linfu wants him silenced, but he also wants him alive until the seal is found. Revive him. Cold water. Slapping. Whatever it takes. I will return in an hour."

He swept out of the room, the soldiers trailing behind him. The attendant bent over Wei Shang, reaching for a bucket of water in the corner. And that was when Wei Shang moved.

His hand, still clutching the scalpel, shot up and pressed the blade against the attendant's throat. Not hard enough to cut, but hard enough to be felt. The attendant froze, his eyes wide.

"Make a sound and I will open your windpipe," Wei Shang whispered. His voice was hoarse, barely audible, but the cold edge of the scalpel spoke louder than any shout. "How many guards between here and the west wing?"

"Three—three at the main door. Two more at the west wing entrance. Please—"

"The west wing. How do I reach it without crossing the main corridor?"

The attendant's throat bobbed against the blade. "There is a service passage. Behind the treatment room. Through the old storage chamber. It connects to the west wing's kitchen. But it is locked. Only the director has the key."

Wei Shang pressed the blade a fraction harder. "Where is the key?"

"On his belt. He carries it always."

Of course he did. Wei Shang had not expected it to be easy. He pulled the attendant closer and, with a sharp motion, struck the side of his head with the butt of the scalpel. The man crumpled without a sound. Wei Shang caught him and lowered him to the floor, then set to work on the leather straps that bound his own body. His hands were clumsy from the monkshood, his fingers numb and slow, but one by one the buckles gave way.

He stood on unsteady legs, the room tilting around him. The monkshood had slowed his heart, but it had also dulled his senses. He needed to move before the full effect set in. He stripped the attendant's outer robe—a plain gray garment that marked him as a junior orderly—and pulled it over his own torn and stained patient's smock. It was not a good disguise, but in the dim corridors of the asylum, it might buy him a few precious seconds.

The service passage. He remembered the map Gong Zhao had drawn: a narrow corridor behind the treatment rooms, running parallel to the main hall. He found the entrance behind a hanging tapestry stained with old brown splatters. The door was solid oak, banded with iron, and the lock was a heavy bronze mechanism that gleamed with fresh oil.

He pressed his ear to the wood. Silence. No footsteps, no voices. But the scratching had started again—fainter now, but still present, still rhythmic. It was coming from the other side of the door.

"The key," a voice whispered through the wood. "He keeps it on the left side of his belt. Three keys on a ring. The smallest one."

Wei Shang started. "Bo?"

"You must hurry. They are moving the physician. To the courtyard. She knows too much to be kept in the west wing. They will execute her at dawn."

The voice was stronger now, less reedy, as if the speaker had moved closer to the ventilation shaft. Wei Shang pressed his palm against the door. "Who are you? How do you know these things?"

A pause. Then: "I am Gong Zhao's brother. My name is Bo. I have been in this asylum for three years, waiting for someone to finish what my brother started. Now go. The lock requires a slender blade and a steady hand. You have the scalpel. Use it."

Wei Shang knelt before the lock. The scalpel was not designed for this—its blade was too wide, its tip too blunt—but with care, he could wedge it into the keyhole and manipulate the pins. He had seen a locksmith do it once, years ago, when he was a boy sneaking into his father's study. The memory was distant, but his fingers remembered.

The first pin clicked. The second resisted. His hands were sweating, the monkshood making his vision swim. The third pin would not budge. He heard voices in the main corridor, drawing closer.

"Turn the blade sideways," Bo's voice urged. "The pins are not aligned. You must tilt them."

Wei Shang adjusted the angle, applied pressure, and felt the mechanism give. The lock turned with a soft snick, and the door swung inward. He slipped through and pulled it shut behind him, just as the voices rounded the corner.

The service passage was dark and narrow, the walls slick with moisture, the floor uneven. He moved as quickly as his drugged body would allow, one hand trailing along the wall for guidance. The corridor sloped downward, then leveled out, and a faint glow appeared ahead: the kitchen of the west wing.

He paused at the threshold, peering through a gap in the door. The kitchen was empty—the hearth cold, the pots stacked neatly on their hooks. A single oil lamp burned on the chopping block. Beyond the kitchen, a corridor led to the isolation cells.

And there, slumped against the wall with her hands bound behind her back, was Dr. Qi.

Her face was a ruin. One eye swollen shut, her lip split and crusted with blood. Her physician's cap was gone, her hair hanging in tangled ropes. But when she saw him step through the kitchen door, her good eye widened with something that was not fear.

"You are supposed to be on the treatment table," she whispered.

"I got up." He knelt beside her and sawed at the rope with his scalpel. The blade was dull now, bent from the lock, but it still cut. "Can you walk?"

"Barely. They broke two of my fingers. Uncle Zhao did it himself, with his reflex hammer. He wanted to know about the signal system, about Mei, about you. I told him nothing." She flexed her freed hands, wincing as the broken fingers moved. "Mei—is she—"

"Alive. Unconscious, but alive. She is in my cell. I had to leave her."

Dr. Qi closed her eyes, a shudder running through her. "Then we go back for her. We cannot—"

"We cannot go back. The corridors are filling with guards. Uncle Zhao will return to the treatment room any moment and find the attendant unconscious. When he does, every soldier in the asylum will be hunting us." Wei Shang pulled her to her feet, steadying her when she swayed. "Bo said they are going to execute you at dawn. We have to get out before then."

"Bo?" Dr. Qi's brow furrowed. "The voice in the wall?"

"He says he is Gong Zhao's brother. He has been in the west wing for three years. He knows things—about the asylum, about the conspiracy. He told me how to pick the lock."

"I have been the physician for the west wing patients for eleven years," Dr. Qi said slowly. "There is no patient named Bo in the isolation cells. There never has been."

A chill ran down Wei Shang's spine. "Then who is speaking to me through the walls?"

Before she could answer, a sound echoed down the corridor: the tramp of heavy boots, drawing closer. The guards were searching the west wing. Wei Shang pulled Dr. Qi deeper into the kitchen, toward a storage pantry in the back. They squeezed inside, wedged between sacks of millet and jars of pickled vegetables, and pulled the door shut.

The footsteps passed. The voices faded. Wei Shang let out a breath he had not realized he was holding.

"The ventilation shaft," he said. "Bo spoke to me through the ventilation shaft. You said there was a map—Gong Zhao's map. Does it show where the shaft leads?"

"Everywhere," Dr. Qi said. "The shaft runs through the entire asylum. It connects the cells, the treatment rooms, the kitchens, even the director's quarters. Gong Zhao used it to eavesdrop on conversations throughout the building. That is how he learned about Sun Linfu's plans. But the shaft is too small for a person to fit through. It is only wide enough for a child, or perhaps a very small animal."

"Or a voice."

"Or a voice." Dr. Qi was silent for a moment, thinking. "Gong Zhao had a brother. I remember now. His name was not Bo. It was something else—something I read in the old patient files years ago. The brother was also arrested. Also confined here. But he died within a month of arrival. The official cause was 'complications from treatment.' I signed the death certificate myself."

"Then who is speaking to me?"

No answer came. Only the scratching, faint and distant, pulsing through the walls like a heartbeat.

They waited in the pantry until the asylum's rhythms shifted. The guards' patrols became less frequent as the night deepened, and the distant sounds of the other patients faded into an uneasy silence. Dr. Qi used the time to bind her broken fingers with strips torn from her sleeve, her face tight with pain but her movements steady.

"We need a plan," she said. "The main gates are guarded at all hours. The walls are too high to climb, topped with broken pottery shards. There is only one way out that is not guarded—the drainage tunnel beneath the east wing. It was built to channel floodwater during the summer rains. It leads to a creek outside the walls."

"Can we reach it?"

"The east wing is where Uncle Zhao keeps his private quarters. It is the most dangerous path. But it is also the only one." She looked at him, her bruised face grave. "And there is still the matter of the seal. If Sun Linfu's men find it before we do, everything we have done will be for nothing. The mines will be sold, and your family's legacy will be erased."

"The well," Wei Shang said. "Mei signaled to me as they dragged me out. She pointed downward. And my father's note said the dragon's meal was in the well. But the seal is not there—Sun Linfu's men have already searched it."

"They searched the well itself. But did they search the well house? The mechanism that raises and lowers the bucket? Your father was known for his love of puzzles. He might have hidden the seal in a place that required more than brute force to find."

It was a slender hope, but it was all they had. Wei Shang helped Dr. Qi to her feet, and together they slipped out of the pantry, moving through the darkened kitchen toward the east wing corridor. The walls here were older, the stone rougher, the air thick with the smell of mold and neglect. The scratching sound followed them, moving through the walls, a constant companion.

They were halfway down the corridor when a door ahead swung open, and a figure stepped out.

It was not a guard. It was a patient—an old man, his body little more than a skeleton wrapped in yellowed skin, his eyes sunk deep in their sockets. He wore the same stained smock as all the other patients, but there was something different about him: a clarity in his gaze, a purpose in his movements.

"Bo?" Wei Shang breathed.

The old man smiled. It was not a reassuring smile. "Not Bo. There is no Bo. There is only me." He tapped the wall with a gnarled finger, and the scratching stopped. "I have been speaking to you through the shaft for days. I was waiting for someone who would listen. Most patients scream or weep or talk to invisible demons. You were the first who talked back."

"Who are you?"

"I was the keeper of the Wei family archives. My name is Gong Shu. Gong Zhao was my younger brother. When he was arrested, I came to the asylum as a patient, hoping to free him. By the time I arrived, he was already dead. So I stayed. I have been gathering evidence against Sun Linfu for three years, listening through the shafts, writing it all down in a journal I keep buried beneath my cell floor. When you were brought in, I knew the time had come to act."

He reached into his smock and withdrew a thin, leather-bound book, its pages crammed with tiny characters. "This is everything. Names, dates, amounts, locations. Every bribe Sun Linfu paid, every official he corrupted, every lie he told to the Zhou court. It is not enough to stop him—he has too many allies—but it is enough to slow him down, if it reaches the right hands."

"The Qi emissaries," Dr. Qi said. "They are still at the estate. If they see this evidence, they will know Sun Linfu has been deceiving them about the seal. They may withdraw their support."

"They will not withdraw," Gong Shu said. "The emissaries do not care about the law. They care about profit. But if Sun Linfu cannot produce the seal, and if the evidence of his corruption becomes public, the Qi court will abandon him to avoid embarrassment. That is how you defeat him. Not with blades or poisons, but with shame. A nobleman who loses face loses everything."

Wei Shang took the journal and tucked it into his robe. "How do I get out?"

"The drainage tunnel. I will lead you. But first—" Gong Shu's eyes glittered. "The seal. You were right about the incense burner. Your father was a clever man. He knew Sun Linfu would search the obvious places. So he left a trail of false clues. The note in the burner pointed to the well. But the well is a decoy. The seal is somewhere Sun Linfu would never think to look."

"Where?"

"In the mouth of the dragon. But not the bronze dragon on the altar." Gong Shu tapped his temple. "The stone dragon on the roof of the ancestral hall. Its mouth is open to catch rainwater. Inside the mouth, behind a false stone, is the seal. Your father placed it there the night before he died, when he knew Sun Linfu was coming for him. He told no one. But I heard him, through the walls of his study. The ventilation shaft connected his estate to the asylum even then."

The roof of the ancestral hall. It was a perilous climb, exposed to view from the courtyard. But it was also the last place Sun Linfu's men would search. Wei Shang felt a surge of something he had almost forgotten: hope.

"Get us to the tunnel," he said. "Then get the journal to the Zhou magistrate. Even if Sun Linfu's men catch us, the truth will not die with us."

Gong Shu nodded and turned, leading them through a maze of dark corridors. The scratching in the walls had stopped entirely now, replaced by the soft padding of their footsteps. They passed empty cells, abandoned storerooms, a chapel where a single candle burned before a faded ancestral tablet. The asylum was a city of the forgotten, and they were ghosts passing through its streets.

At last, they reached a low archway sealed with an iron grate. Beyond it, the drainage tunnel yawned, black and damp and cold. Gong Shu produced a key from his smock—how he had obtained it, he did not say—and unlocked the grate.

"Go," he said. "Follow the tunnel until you see moonlight. The creek will lead you to the eastern road. From there, it is an hour's walk to the estate." He pressed something into Wei Shang's hand: a small bronze medallion, stamped with the character for "Bo." "I used the name Bo because it was the name of my brother's son. A boy who died of fever before his first birthday. A ghost name. It seemed fitting."

"And you?"

"I will stay. Someone must distribute the journal, in case you fail. And there are other patients here who need help. Mei, the mute girl—I will find her. I have hidden in these walls for three years. I can hide a little longer."

There was no time for farewells. Wei Shang took Dr. Qi's hand, and together they ducked into the tunnel. The darkness swallowed them whole. The water was ankle-deep and freezing, the walls slick with slime. But ahead, faint and silver, was the glimmer of moonlight.

They crawled toward it.

Behind them, Gong Shu pushed the grate shut. The lock clicked into place. And from somewhere in the asylum, a bell began to toll—the alarm. The guards had found the empty treatment room. The hunt had begun.

Wei Shang dragged Dr. Qi forward, his muscles screaming, the monkshood still coiling in his blood. The moonlight grew brighter. The tunnel opened onto a rocky slope, and they tumbled out into the cold night air, gasping, shaking, alive.

Above them, the ancestral hall of the Wei family loomed against the stars, its stone dragon crouched on the roof, its mouth open to the sky.

And inside that mouth, hidden behind a false stone, was the seal.

But as Wei Shang pulled Dr. Qi to her feet and began the climb toward the estate, he saw something that made his blood run cold. Torches were moving in the courtyard below. Soldiers, dozens of them, forming a perimeter around the ancestral hall. And at their center, barking orders with his bronze sword drawn, was Ning Xi.

His cousin had been waiting.

"Welcome home, cousin," Ning Xi's voice rang out across the courtyard, sharp with triumph. "I knew you would come for the seal. Where else would a rat run, but to its nest?"

The torches flared, and Wei Shang saw that the soldiers were not alone. Beside Ning Xi stood a figure in the blue robes of a senior physician, his beard gleaming with oil.

Uncle Zhao. He had beaten them to the estate.

"Take them," Ning Xi commanded. "Alive. Sun Linfu wants to watch the marquis sign the documents before he dies. Tonight, the mines become ours."

The soldiers surged forward, and Wei Shang had only a moment to act. He shoved the journal into Dr. Qi's hands and pushed her toward the shadows of the stable block. "Run. Find the magistrate. I will buy you time."

"I will not leave you—"

"You will. This is not about me. It is about the truth. Go."

She went. He watched her disappear into the darkness, clutching the journal, and then he turned to face his cousin. The scalpel was still in his sleeve, bent and dull but still sharp enough. The monkshood had faded, leaving behind a cold clarity.

And in the walls of the estate, faint and distant, the scratching started again.