In the last few days, Ding Lang had actually improved a bit. Among all the patients, his illness was more serious and he had been in life-threatening danger. Therefore, his recovery was very slow, but he was improving after all. On that final night, he woke up and hid Feng Zi before dying in chaos. However, this did not mean that he had suddenly gone mad, and it was very likely that he had died by accident.

"Why is your dad fine while others go crazy?"

Feng Zi blinked her large eyes, unable to speak.

This girl was simple in nature and simple in heart. After that night, the overwhelming cries were denouncing Li Yue's fake prescription, causing their illness to repeat itself and causing chaos.

Whether it was the scoldings of the soldiers of the Fire Hou Battalion or the complaints of the patients, all of them were inclined towards this. Later on, news came from the inner city, and there were even rumors that it was the Prince and his wife who had brought the plague from the outer city to the inner city.

Feng Zi was naturally affected by them. A lie would come true a thousand times over, and she could no longer distinguish the truth of the matter.

Under Liu Yanyu's advice, the three of them walked into a simple fortifications with no one around. They sat down on the ground and began analyzing the latest situation.

Feng Zi carefully recalled the events from before and also felt it was bizarre. Everyone suddenly became crazy overnight. This was clearly not a coincidence. Someone had done something, but why was Ding Lang clear-headed at that time?

"You've been dealing with your father's medicine?"

Feng Zi nodded. Later on, when there were more helpers, she would no longer personally take care of all the medicines. Instead, she spent more time taking care of Ding Lang. As a patient herself, she needed more rest.

"I was the one who fried the medicine, there would be a few people under my care. They were originally in good condition, but later on, they had a bad change as well …" "I remember, my dad stopped taking drugs in the next few days."

"Stop taking the medicine?"

"He said that he wanted to try the prescription. He wanted to see the effects of the formula using the Golden Thread Tower and other medicines. That's why he would grab the medicine, fry the medicine, and then record the feeling of the medicine every day. "Young master Liu looked at his prescription later on and added two flavors to it. After taking Young Master Liu's recipe, these people seemed to have gotten better."

Feng Zi took out a scroll and handed it to Gu Qingli. It was all in Ding Lang's notes, and she had written every word very seriously.

After reading, Gu Qingli understood why Ding Lang wanted to refine the prescription. He roamed the world and practiced medicine, treating most of the poor commoners. After improving, he replaced the few herbs in her prescription. They had similar medicinal properties, but were much cheaper. Gu Qingli had been in a hurry at the time, but she had never considered all this. There were quite a few precious medicines in the prescription, and if such an epidemic situation occurred again and the imperial government didn't allocate any money, ordinary citizens wouldn't be able to afford it.

"Ding Lang's prescription is not bad. If his prescription is indeed effective, although it is a bit slow, it should still be safe."

"He's getting better."

"I understand. Although you personally made the medicine for the others, you didn't distribute it yourself, right?"

"That's right, I …"

"You dare to guarantee that the prescription will be safe even though it's in someone else's hands?" Feng Zi blinked, unable to respond.

Liu Yanyu said, "That's right. At that time, I looked at the prescription from Princess Hua-Yang and Ding Lang, and I felt that it should both be effective against patients. Just in case, I did not use Princess Hua-Yang's prescription, but rather modified the prescription from Ding Lang."

Traditional Chinese medicine wasn't the same for diagnosis and treatment. Even if it was the same disease, different doctors would prescribe different treatments with slightly different directions. In the end, they just had to do the same thing to achieve the same healing effect, and Liu Yanyu's prescription would be the same as Gu Qingli's.

"Actually, the prescription that Ding Lang and I are making is based on the prescription given by the Royal Concubine. If it weren't for your prescription, I'm afraid we wouldn't have been able to come up with a better plan." Liu Yanyu looked at Feng Zi and chuckled. Although he had been saying this the entire time, Feng Zi still didn't believe him. At that time, she had injured her father and died, so she wouldn't listen to anyone's words.

Gu Qingli thought back to the prescription she had seen in the inner city. She thought for a moment and said, "Can you do me a favor?"

Feng Zi was somewhat unwilling, and she pouted as she asked, "Help me with what?"

"Tell those people outside that I've come today to improve the original recipe. Furthermore, I've promised that it will definitely be effective. I'll do my best to push this recipe forward."

"Me? They all know that I was disgusted with you before, so they probably didn't believe me. "

"So, Young Master Liu's words are very important." Gu Qingli looked at Liu Yanyu. He probably knew her well.

Liu Yanyu nodded with a smile. "I will always agree with Princess Hua-Yang's actions."

"And then?"

"Be aware that no one has touched the medicine you fried, especially those who distributed the medicine. Aren't they all sent by the imperial government?"

Feng Zi nodded thoughtfully.

"Don't touch their medicine, just use my medicine in secret. These patients won't be able to handle the back-and-forth torture anymore."

"I'll take care of this." Liu Yanyu agreed.

Gu Qing Li walked out silently while Liu Yanyu followed. Neither of them said a word.

"Mister Liu, please don't send me off."

Liu Yanyu looked like he wanted to say something, but he didn't know what to say. In the end, he could only sigh. The calmness that had accumulated for some time remained in his eyes. It was still calm and gentle, but there was an additional trace of depression and helplessness.

"How have you been?"

"…" It was just a simple question, but Gu Qingli couldn't answer. In reality, she was living a bad life, but she didn't want to use these things to affect Liu Yanyu's mood. He couldn't help himself, so speaking too much would only cause him to misunderstand her.

"Why?" Liu Yanyu keenly felt her thoughts.

"Whether it's good or not, I'll settle it myself." Gu Qingli didn't even look at him as she continued walking. Her back was cold and solitary.

After walking for a while, her cold and resolute gaze began to crumble. The frost in her eyes melted bit by bit. She just didn't want others to see that she had a helpless side.

"Princess, you should be more careful during this trip. Once we're out of the guarding range of the imperial guards, there have been a lot of civil violence and accidents in the outer city recently …"

"What accident?" Gu Qingli still walked quickly, but the weakness in her eyes disappeared in a flash. She wasn't afraid of anything.

"The plague has arisen from this place, which is why it is heavily guarded. However, during the previous riot, there were a small number of aggressive epidemic patients who escaped and some of them will spread to the healthy citizens."

Gu Qingli suddenly turned around, "With such a big matter, why hasn't anyone reported it to the imperial government?"

"I'm not sure about that. After all, I'm not a courtier." Liu Yan Yu paused for a moment. Ever since he came back from learning about the plague, he had stayed in the epidemic area. Other than healing his illness, he didn't contact the outside world.

"Xiao Yijin was afraid that something would happen to himself, so he forcefully suppressed it? Do you know how serious the consequences will be? "

Gu Qing Li's angry tone startled Liu Yanyu. After all, he didn't know much about the court and government, so he was a bit puzzled by her mood. After all, he had never seen Gu Qing Li like this before. He instinctively felt that something unexpected had happened to her, causing her to lose her confidence, arrogance, and calmness from before.