Mu Yueshi looked at the desk with a cold face, her heart filled with pent-up frustration with nowhere to vent. She suddenly stood up and left the study, preparing to find a concubine to take her anger out on.
......
Far away in Qianluo Town, Si Qingyu was entirely unaware of these matters. At this moment, she was quite anxious because she had been studying this disease for two days and still couldn't figure out exactly what it was.
Seeing more and more townspeople succumbing to this disease and dying one after another, she felt somewhat powerless.
She gently rubbed her temples with her fingers. She had barely closed her eyes in the past two days, and every muscle in her body radiated fatigue and drowsiness.
Luo Jinhua watched Si Qingyu from the side. She could feel that she was doing her best, even if she was powerless to save lives. She was grateful to her, "Doctor Si, why don't you rest for a bit? You've been tired enough these past two days."
Si Qingyu shook her head slightly, indicating that it wasn't necessary. The symptoms she had examined over the past two days flashed through her mind. She furrowed her brows deeply, feeling as if she had forgotten something... She closed her eyes, carefully recalling the situation of the past two days.
Those infected with the disease would experience thirst, irritability, weakness in the limbs, and finally cough up blood before slowly fading away...
Coughing up blood... At one point, Si Qingyu thought it might be poisoning, but when she examined their various body parts, there were no signs of poisoning. If it was poisoning, how could it spread like this?
Si Qingyu calmed her mind and pondered which step she had missed in her examination.
She remembered her foster mother once telling her: Ayu, there are some poisons in this world that are truly colorless and odorless. Once poisoned, it is difficult for people to detect. However, with such poisons, once ingested, the navel area will definitely turn slightly black.
The navel!
She had actually forgotten about this! She looked up at Luo Jinhua and said, "Lord Luo, could you please go with me to the quadrangle again?"
Luo Jinhua was slightly stunned, not understanding why she had suddenly become so excited, but still nodded and went with her.
When they arrived at the courtyard, Si Qingyu directly lifted the patient's clothes. Indeed, the navel had turned black. Si Qingyu checked another patient and found the same blackening of the navel.
Si Qingyu frowned. It was indeed poisoning! Who had administered the poison? And from where? How had it spread to so many people?
A possible location for the poisoning flashed through her mind. She couldn't help but take a deep breath.
Si Qingyu asked Luo Jinhua somewhat urgently, "Where does your daily drinking water come from?"
Luo Jinhua's eyes were dazed, not understanding what she meant. Weren't they treating the disease? Why was she asking about drinking water now? But she still answered honestly, "The drinking water is all drawn from the well at the end of the town..."
"Take me there!" Si Qingyu urged before she could finish speaking.
"Oh, alright. Please follow me." Although Luo Jinhua didn't understand what Si Qingyu wanted to do, she still cooperated with her.
Luo Jinhua led Si Qingyu all the way to the well at the end of the town. The well mouth was a full meter wide.
Without a word, Si Qingyu directly threw the bucket into the well and drew a bucket of water. She placed a silver needle into the water, and the needle immediately turned black.
Luo Jinhua, who had been watching her in a daze, turned pale with shock upon seeing this. She pointed with trembling fingers and quivering lips, "This... the well water is poisoned!?"
Si Qingyu looked at the silver needle and nodded silently.
"Who... who could be so vicious as to poison the well water!" Luo Jinhua was furious and also terrified. Her entire body trembled slightly.
"Lord Luo, please instruct the townspeople not to drink the water for now."
Luo Jinhua, her face pale, nodded hurriedly, "Yes, yes. I'll go tell each household right away." Saying this, without regard for Si Qingyu, she turned and ran urgently towards the yamen.
Si Qingyu looked at the silver needle in her hand, her face solemn.
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