One single fish would quietly knit a thread of survival beyond the reach of fate.
South Lin'an. It was nearly noon, and the marketplace had reached its loudest hour.
Fishmongers called from the riverbank, while white steam from bamboo baskets mingled with the sweetness of roasted chestnuts and drifted through the pale warmth of early winter sunlight.
The bronze bell outside the silversmith's shop chimed whenever the wind stirred it.
Xu Xian had already been standing at the counter for nearly two hours.
The old goldsmith, his hair and beard gone white, bent beneath the lamplight with an exceedingly fine graver in hand. He was cutting the final strokes into the back of the longevity lock.
The blade whispered over the red gold. Xu Xian stood beside him, scarcely daring to breathe, his gaze following each tiny character as it took shape.
Free from calamity. Safe through every year.
"Doctor Xu, do sit down and rest." The shopkeeper brought over a cup of freshly brewed tea and set it beside him with a smile.
"You have been standing here since Master lit the furnace to melt the gold. Nearly two hours now.”
“These last few characters demand the steadiest hand, and cannot be rushed. The old master may work slowly, but nowhere else in Lin'an will you find anyone capable of carving such even script upon a lock this small."
"It is all right. I can wait," Xu Xian answered calmly enough, yet still could not bring himself to sit.
Following his gaze, the shopkeeper laughed.
"Doctor Xu, you're usually so steady—even when a patient's life hangs in the balance. And today you're only here to collect a little golden lock, yet look at you. You can't even sit still."
Xu Xian looked a little embarrassed.
At last he picked up the cup, but merely held it without drinking. "I have made a spectacle of myself."
The shopkeeper stroked his beard.
"All new fathers are the same. I could tell when you brought us the design a few days ago.”
“Most families ordering a longevity lock ask only how much gold it will take, or whether the pattern looks grand enough. You, on the other hand, asked again and again whether those eight characters could be carved clearly."
Xu Xian lowered his eyes to the tiny lock beneath the lamp, a smile lingering at his lips.
"The pattern matters little. Nothing matters more than the child's safety."
The shopkeeper's face softened. He cupped his hands in congratulation.
"The child isn't even born yet, and you're already worrying over every little thing. That little one's lucky to have a father like you."
The joy in Xu Xian's eyes deepened.
"All I want is for the child to live freely. If the child wishes to study medicine, Bao'an Hall may one day pass into those hands. If not, there will be books, martial arts, trade—whatever the child chooses.”
“And if the child wants none of those things, but only a quiet courtyard and an ordinary, peaceful life, that would be perfectly all right too."
As he spoke, Xu Xian seemed to see Bao'an Hall again as it had been that morning: Bai Su reclining upon the couch, the tips of her ears faintly red, the pair of tiger-head shoes with mismatched eyes resting upon her knees.
And that softly spoken promise—I will wait for you to come home.
Xu Xian's smile grew more tender still.
Just then, the old goldsmith finally laid down his graver and blew a fine layer of gold dust from the surface.
"Finished."
The longevity lock was no larger than half his palm. Its design was simple, with only a shallow border of auspicious clouds curling across the front. The red gold held a warm glow beneath the daylight.
On the reverse, the eight tiny characters stood neat and straight—as though every unspoken hope of a father had been locked securely inside.
The shopkeeper threaded a red cord through the ring himself.
"Let the red cord be our gift to your little one. May the young master—or young miss—live a hundred years in health, blessed with enduring fortune."
"Many thanks." Xu Xian accepted it with both hands, as reverently as though he were receiving the unborn child itself.
The lock settled into his palm. Its solid weight pressed down with the whole unlived life of one child—and with the future that a family of three had not yet reached.
Xu Xian ran his thumb over the eight characters again and again.
He could already see Bai Su receiving it, the tips of her ears turning red. His wife would probably chide him for spending too much, yet secretly she would be pleased.
He must remember to stop at the eastern pastry shop for a packet of sour-plum cakes. She so rarely asked for anything; he could not forget.
He tucked the lock securely inside his robe, thanked both shopkeeper and goldsmith several times, and stepped back into the crowded street.
He had not gone far when a commotion erupted in the fish market ahead.
"Freshly caught! Straight from the river! Pulled from the nets this very—"
The fishmonger's cry broke into a furious shout.
"You bloody cat! Stealing fish again!"
A small cat patterned like a leopard shot out from beneath the stall, a fat fish clenched between its teeth. Its four paws flew as it darted between passersby and bamboo baskets.
The living fish thrashed wildly in its jaws, scattering water across the street.
Xu Xian took one look and recognized it. Was this not the same spotted cat that had slipped into his kitchen some time ago and stolen his crucian-carp soup?
"Stop!" The fishmonger, red with fury, seized a bamboo pole and gave chase. "You steal from me every other day! Today I will break your legs!"
The cat dropped the fish with a slap upon the flagstones. It had already reached the corner of a wall, but could not bear to abandon its prize.
It doubled back and bent to seize the fish again.
"Still stealing!"
The fishmonger raised the pole and brought it down.
Just before the blow struck the cat's spine, a figure stepped between them.
"Please, sir—wait."
The fishmonger barely checked his swing; the pole almost grazed Xu Xian's shoulder.
"Doctor Xu?"
He stared, then pointed angrily at the cat huddled behind a wooden crate. "This little brute steals from me every few days. If I do not teach it a lesson, it will start thinking my fish stall is its own kitchen!"
Xu Xian looked down at the fish lying in the dust.
He bent to pick it up, brushed away the grit, then took several copper coins from his sleeve and placed them in the fishmonger's palm.
"I will buy this one."
"Doctor Xu, your heart is too soft. Why spend good money on a stray cat that steals its meals?"
"Stealing the fish was wrong," Xu Xian said with a smile.
"But breaking a leg for one fish seems rather too severe."
The fishmonger had no answer. He lowered his pole and returned to his stall.
The market's clamor soon closed over the disturbance.
Holding the fish, Xu Xian walked slowly to the corner and placed it two paces from the crate. The little leopard-spotted cat crouched in the shadows, only its luminous green eyes visible, watching him with deep suspicion.
Xu Xian did not approach. Instead, he stepped back twice and crouched down.
"Come out," he said gently.
"I have paid for it. No one will take it from you now."
The cat's ears twitched.
The cat stared at him for a long while, but it seemed hunger at last overcame caution. It crept from behind the crate and sniffed at the fish. When Xu Xian made no move to seize it, the cat snatched up its prize and fell upon it ravenously.
Still crouching, Xu Xian watched scales gather around its mouth and could not help laughing.
"Slowly. No one is fighting you for it. Take care not to choke."
The cat's jaws paused, almost imperceptibly.
Xu Xian assumed it could not understand him. He reached out and gently rubbed its furry head.
The spirit cat instinctively started to pull away—but the mortal's palm was warm and kind, without the slightest malice or mockery. After a moment's hesitation, it allowed him to stroke its head twice.
Xu Xian rose and dusted his sleeves.
"I must go home. Leave when you have finished, and do not steal anyone else's fish."
With that, he turned toward the eastern quarter. The flash of his ash-grey robe soon vanished into the crowd.
Only after Xu Xian had gone did the spirit cat stop eating. It lifted its head and narrowed its luminous green eyes at the place where he had disappeared.
…Idiot.
This great sovereign was just in a good mood, teasing that mortal. Did you really think those mortals could hurt me?
Tch, I’ve lived more than a thousand years, and never once has anyone worried that I might choke on a fish.
It looked down at the skeleton that remained, its tail brushing lightly over the flagstones.
Then it sprang onto the roof. Gold-and-silver markings flashed beneath the sun before vanishing among the layered tiles.
The market remained as noisy as ever.
The longevity lock against Xu Xian's breast still retained the warmth of its making.
At that moment, no one knew—that one golden lock had fastened shut a father's love before it ever reached the child.
And so, from one single fish, a grace was born—a slender thread of survival, quietly woven beyond the reach of fate, waiting for the day even heaven itself would drown.