Su Nian stood at the turn of the east wing corridor, the tea bowl in her hands gone tepid. Through the gap between the hanging scrolls, she watched Lin Yuxin's silhouette disappear into the guest room. Her phone screen flickered once, twice, and the amber-encrypted signal died like a candle snuffed.
She waited a beat. Then she turned toward the study.
The drawer slid open with a smooth click, and she set the phone inside. When she drew the key from the lock, the scrape of metal against brass rang down the empty corridor like a gunshot. No network now. No silent listener. If the amber-eyed man's program lived in that phone, he would hear nothing else from her tonight.
That was the trade. She couldn't call for help any more than he could spy on her. She would have to read everything with her own eyes, and she would have to be faster than whoever was reading her back.
She smoothed her dress, stood at Lin Yuxin's door, and arranged her face into something pleasant. She knocked twice, light. "Yuxin? Would you like to see the matriarch's porcelain collection?"
The door opened almost before her hand fell. Lin Yuxin stood in the frame, already smiling, hair arranged, hands folded—a portrait of patience that made Su Nian wonder how long she'd been waiting on the other side.
"I would love to see it," Lin Yuxin said.
Su Nian led her down the corridor, pacing her steps so she could watch her companion's gaze out of the corner of her eye. "The matriarch turns eighty-two next month. I want to give her something a true connoisseur would appreciate. You know old kilns better than I do, so help me pick?"
Lin Yuxin laughed, a thin musical sound. "I wouldn't dare claim to know more than you, Sister Su." She brushed her earlobe, seemingly without thought. "But I did hear her collection has a plum vase with ice-c***k glaze. In a side hall at the end of the east wing?"
Su Nian kept her expression mild. The ice-c***k plum vase was real, and its location was not written in any guest pamphlet. She filed that away and smiled.
The porcelain hall opened ahead of them, lattice light falling across celadon curves and blue-and-white rims. Su Nian gestured at a row of small bowls, as if considering. "The matriarch takes her tea in the afternoon," she said, pitching casual. "I want a set that fits her habits. Do you know where she usually sits?"
Lin Yuxin's gaze drifted to the window. "The south pavilion, isn't it? Windows face west, so the afternoon sun gets harsh. That's why they switched to thinner cups." She said it the way someone recites a train schedule.
Su Nian's fingers found the seam of her dress and pinched. The south pavilion's afternoon hours. The thickness of the matriarch's tea cups. Those were details for people who lived under this roof, not visitors who'd arrived yesterday.
They rounded a corner, and Su Nian let her step drift right. "The tea room is this way—"
"Didn't you mean the end of the corridor, left turn?" Lin Yuxin was already two steps ahead, not a trace of uncertainty in her voice. "I smelled the tea on the way past."
She stepped over the loose floor tile without looking down. The one slightly raised, the one that caught the heels of anyone who didn't know it was there.
Su Nian's palm went damp. Security plans. Construction blueprints. Lin Yuxin had looked at one of them, and recently enough that her feet remembered.
They settled into the small sitting room, where a servant brought tea. Lin Yuxin cradled her cup, took a sip, set it down with a precise motion that left a neat ring of water on the tablecloth.
"Sister Su," she said, "how long have you been staying at the Shen residence? I hear you and Brother Liangchen… have a certain rapport?"
Su Nian felt her heartbeat jump to her throat. She lowered her lashes, let a blush climb her cheeks—a performance she'd rehearsed in mirrors for years. "Don't joke, Yuxin. Young Master Liangchen treats his guests with courtesy. I wouldn't presume to claim more."
As she spoke, her fingers found the tablecloth's edge. She folded it over the tea stain in one smooth motion, burying the water mark under the fold. Whatever signal that spot was meant to send, whoever it was meant for, it wasn't getting sent tonight.
"Talking about me behind my back?"
Shen Liangchen stood in the doorway. His voice was warm, but his gaze went straight past Lin Yuxin's practiced smile, past the steam rising from the cups, to the folded corner of cloth Su Nian's fingers had just released. Something flickered in his eyes—darker than idle curiosity.
"Miss Lin's tea has gone cold," he said. "I can have a servant bring another pot."
Lin Yuxin waved her hand. "No need, no need. Sister Su and I are enjoying ourselves." She leaned toward him, all charm. "Oh, Brother Liangchen, did you climb the old locust tree in the yard as a child? My father mentioned it once—"
Shen Liangchen didn't take the bait. He stepped forward, but not toward Lin Yuxin. He positioned himself at Su Nian's front-left, a half-turn of his shoulders creating a wall between Lin Yuxin's chatter and Su Nian's exposed wrist.
"How do you know the matriarch spends her afternoons in the south pavilion?" he asked, tone still pleasant.
Lin Yuxin's composure stuttered. Half a second of stillness, a blink too long. "I asked the housekeeper yesterday."
Su Nian watched the pause stretch. A guest who'd asked the housekeeper would have said so immediately. The delay smelled like invention.
The housekeeper's voice rang from down the corridor—something about refreshments laid out in the main hall. Lin Yuxin rose with visible relief, claiming she wanted to see the jasmine tea set the matriarch had collected over the years.
She turned toward the door. Su Nian watched her eyeline drift, past the hall, down the east corridor—
Two seconds. Fixed on the glass display case in the side hall at the far end.
The case that held the jade hairpin.
Su Nian bent to smooth her skirt, committing the angle to memory. She didn't follow the gaze. She didn't react. She carved the coordinates into her mind.
"I'll walk you back to the guest wing," Shen Liangchen said. "The floors are damp tonight."
He passed Su Nian on his way to the door, close enough that his sleeve brushed her shoulder. He leaned in, voice pitched for her ears only.
"That stain you covered," he said. "Well done."
She looked up, but he had already stepped forward to stand at her side, an escort's posture that put his body between her and Lin Yuxin. He nodded toward the door. Go.
Lin Yuxin turned at the threshold. Her smile was still in place when she looked at them, but the warmth had drained out of it like water from a cracked cup.
The door closed behind her.
Su Nian stood in the quiet hall and let the shape of it settle. Lin Yuxin's source knew the mansion's structure. Knew the loose floor tile. Knew the matriarch's routine down to the thickness of her teacups. That wasn't gossip. That was staff—a housekeeper, a footman, someone who moved through these halls when no one was watching.
A second ghost.
Su Nian had the jade hairpin's location burned into her memory. She had a new name for her list of people willing to sell her for the right price. And she had the faint, half-frightening suspicion that the man who'd just shielded her had seen more than he let on.
Her phone sat locked in the study drawer, silent. There was no one to call anyway. The second ghost was still breathing somewhere in this house, and now that Su Nian knew it existed, she had exactly one way to survive the night: find it before it found her.