The old man of the Mu family looked at her with a complicated look in his eyes.

It's not that he doesn't like the kid.

But, I don’t believe that she can really be that powerful.

After all, the old beggar showed up in the capital only within the past twenty days, and his identity was gradually exposed as the dispute between Ruyi and the Shen family began.

In just over twenty days, even if Ruyi is a genius, what can he really learn?

In fact, the reason why the old beggar in the previous life gave Ruyi the secret recipe was not to let her use it to please Shen Ci, but because he really saw her talent and wanted to take her as his apprentice, so he gave her the "bait".

It’s a pity that in the previous life, Ruyi chased after the Shen father and son and Gu Qinghua, and never took the bait.

But now it's different.

Although it has only been more than twenty days, Ruyi only needs to read the prescriptions, medical theories, or meridian acupoints twice at most to memorize them.

She memorized all the old beggar's special skills.

Now, all it takes is practice.

But Mr. Mu didn't know all this.

What's more, his illness had not been cured for four years. He had sought out many famous doctors and even consulted people from the Imperial Hospital many times, but to no avail.

How can you expect a little girl who is just starting out?

However, in order not to embarrass Ruyi, he nodded and said, "Then you give it a try."

Just think of it as a training exercise for her.

Ruyi stepped forward and squatted beside the bed to feel his pulse.

As for pulse diagnosis, she had only practiced on herself, Fangfei, so she was extremely unfamiliar with it.

But the old beggar's notes and annotations are very detailed.

In contrast, she was not at a loss.

After pondering for a moment, Ruyi stood up and looked at Grandpa Mu, his expression becoming serious, "Grandpa Mu, can I take a little bit of your blood? Just a little bit."

Mr. Mu looked at her expression and was quite surprised. "Why?"

Could it be that she really saw something?

Even Mu Rushuang was a little surprised and asked hurriedly: "Ruyi, what happened to my grandfather?"

"Grandpa Mu seems to be poisoned, not sick."

Ruyi was afraid that the old man would not believe her and think she was talking nonsense, so she explained: "Grandpa Mu's pulse is very special, sometimes fast and sometimes slow, like a bird's pecking, every four to seven times, there will be a temporary stagnation, back and forth in a cycle."

"Also, I noticed that Grandpa's lips were dark in color, his breathing was rapid, and he would wheeze every few words. This is probably because the poison has entered his lungs."

When Ruyi said this, Mr. Mu frowned slightly.

He no longer takes it lightly.

Ruyi felt that he must have thought of some special event, so she asked, "I wonder how Grandpa Mu's illness occurred? Did you eat anything special at that time?"

"Did they drink alcohol at the banquet, or did they drink tea? Or did they burn incense in the house, etc?"

Not only did Mr. Mu fall silent.

Even Mu Rushuang's expression changed, with anger in her eyes.

Song Mingyang and Xiao Pingxin looked at each other, both feeling that things might not be that simple.

Mr. Mu was silent for a moment, then he spoke: "Now that you put it that way, I remember it."

Four years ago, "The youngest son of the Cao family got married, and I went to the wedding banquet. Two days after I returned home, this happened. The wine was personally served by the youngest son of the current Minister Cao."

When the people in the room heard this, their faces changed.

Ruyi's heart skipped a beat. She hadn't expected that she had stirred up a hornet's nest, and something terrible was about to happen.

After the old man of the Mu family fell ill, he was unable to handle official business, so he asked his subordinate, Assistant Minister Cao Zhizhang, to act as the Minister of the Shangshu.

In this sense, if the old man of the Mu family had not fallen ill, there would be no Cao Zhizhang as the acting Minister of War.

The Cao family is the beneficiary.

The Cao family had a motive for poisoning Mr. Mu.

Ruyi didn't know what to say for a moment.

Finally, Mu Rushuang spoke first, "Grandpa, I will ask someone to investigate this matter. If we find any clues, the Cao family will be killed without a burial place!"

Mu Rushuang couldn't tolerate any sand in her eyes, and at this moment, murderous intent surged in her eyes, "I really didn't expect that grandpa promoted him, but the Cao family did such a thing of repaying kindness with enmity!"

As he said that, he turned around and took Ruyi's hand, "Ruyi, just take Grandpa's blood to test for poison! If Grandpa's health can get better, what's the use of Cao Zhizhang!"

It’s time to go back to the position of Minister, so go back!

Ruyi came back to her senses and nodded, "I will definitely try my best."

"Thank you, child."

Master Mu came back to his senses, and looked at Ruyi with a serious look, "No one has figured out it's a poison for so many years, it should be hard to cure, right?"

“It’s hard to say.”

Ruyi shook her head gently, "It depends on what kind of poison it is, and also on who it's for. My master's medical skills are unparalleled in the world. Even if I can't cure it, my master can."

Ruyi actually had some doubts.

But we can't be sure until the drug test is done.

"Take the blood."

Old Master Mu took a deep breath. He was indeed short of breath and couldn't talk much. As soon as he spoke, he felt a tightness in his chest and as if he was going to die.

Mu Rushuang asked someone to find a small porcelain bottle.

Ruyi pierced the old man's finger and took half a bottle of blood. "In this case, I will go back earlier and find out as soon as possible."

She put away the porcelain vase with a serious expression.

"In that case, I won't keep you here. I will thank you again after this matter is resolved." Mu Rushuang really wanted to chat more with Ruyi, but she didn't have much time at the moment.

She had only three days off.

Ruyi only had two days, so she nodded and said, "I'll come again tomorrow."

"good."

Mu Rushuang nodded and sent her out.

Ruyi said goodbye to Grandpa Mu and was about to leave when Grandpa Mu spoke up, "If you can cure the poison in me, the Mu family will be your backer from now on."

His dull eyes became sharp at this moment.

There is also anger.

Ruyi turned around, bowed, but said nothing.

As she moves forward, she naturally needs help, and no matter how many people help her, it won't be too much.

After leaving the door, Ruyi and Mu Rushuang said goodbye, "Sister Mu, don't worry."

Mu Rushuang nodded, "I'll wait for your news."

There was no need for too much courtesy between them when they helped each other, just like the last time when Ruyi just sent a letter and Mu Rushuang took leave to come out and testify for her.

This time, Ruyi helped Mu Rushuang, and there was no need for much words.

"I really didn't expect that there were so many things behind the illness of Mr. Mu."

On the way back, Xiao Pingxin was quite sad.

But what was even more surprising was that Ruyi was able to find out. "You have only studied medicine for a few days. You don't know the condition of the old man of the Mu family, but as far as I know, the imperial doctors in the palace have consulted for no less than ten times, and Imperial Doctor Qi was helpless."

"In recent years, no one has said that he was poisoned."

Ruyi leaned against the carriage, thinking about this matter, "Maybe he didn't see it, or he didn't want to say it, didn't dare to say it, or couldn't say it. It's all possible."

"It depends on what kind of poison it is."

"In fact, I don't believe that Doctor Qi didn't see it."

Ruyi felt a little heavy in her heart. Perhaps she should know more about Imperial Doctor Qi.