Gu Yun's hair stood on end at Yu Jiao's smile. It felt like there were thorns prickling the stool and he wanted to run away.

"What do you mean?" Xiao Ning was confused, obviously not knowing the inside story.

Yu Jiao smiled and said, "I was ill once and don't remember much about the past, but Young Marquis Gu knows something. General Xiao wants to ask me what my relationship with Cheng Ying is, so Young Marquis Gu has to answer my questions. I'm also very curious. It turns out that my medical skills were inherited from Governor Cheng. Even I am a little surprised!"

Gu Yun felt uneasy at her smile and couldn't help but blame Liu Ziqi again in his heart. The truth could not be hidden anymore and now the mess was all on his head. He really wanted to go to Lingnan to kill the enemy.

Gu Yun remained silent, but Xiao Ning couldn't wait and asked, "What exactly is going on? I heard it from Feng Zheng. Cheng Ying was able to stand out in the palace because he used his caesarean section skills to help the late emperor's concubine named Song give birth to a princess smoothly, saving her and her daughter. That's why the late emperor promoted him to serve tea in front of the emperor."

When Yu Jiao heard the surname Song, she recalled an old story her grandmother had told her about when Cheng Ying was still a young eunuch. The Censor Song had been kind enough to uphold justice for Cheng Ying, and many years later, Cheng Ying saved the life of that Censor Song. She wondered if this Concubine Song and that Censor Song were from the same family.

Gu Yun scratched his hair and glared at Xiao Ning angrily. This guy really only caused trouble.

However, he really had never seen Cheng Ying's medical skills. But when Liu Ziqi was rescued by Cheng Ying, he had a different face when he reappeared, and there was no flaw at all. Without supernatural skills, how could he change a person's face without relying on the art of disguise?

Under the scorching gaze of Yu Jiao and Xiao Ning, Gu Yun said somewhat self-destructively, "That's right. Concubine Song was the daughter of the former imperial censor Song. She was very inconspicuous and not favored in the harem of the late emperor. When she gave birth, no one was alarmed. Only an imperial physician who had just joined the Imperial Hospital took a look and said that she could not be saved. It seemed that one body would die and two lives would be lost. Suddenly, Cheng Ying, who was still a young eunuch, stood up and said that he could save her. The nanny beside Concubine Song tried all kinds of medical treatments and led Cheng Ying to save her master. Later, the news that Concubine Song and her daughter were safe reached the ears of the late emperor, so the late emperor summoned Cheng Ying and promoted him to work in front of the emperor. I think Cheng Ying would not be kind enough to save lives. He must have used Concubine Song's matter to show his face in front of the emperor and get promoted."

It really is related to that Censor Song. Yu Jiao felt emotional for a moment. What her grandmother said that day made a lot of sense. People have good and evil, but this good and evil is not absolute. Cheng Ying has a cruel and ruthless side that kills people like crazy, but he can also remember the favor of someone who said a good word for him many years ago, and repay the favor double.

Yu Jiao didn't think that Cheng Ying saved the lives of Concubine Song and her mother in order to show off in front of the late emperor and use this incident to get promoted. Gu Yun also said that Concubine Song was not favored. If Cheng Ying wanted to shine in the palace, she could have saved the late emperor's favorite concubine, or taken action when the late emperor was ill. That would definitely be more cost-effective than saving Concubine Song.

Yu Jiao intuitively felt that Cheng Ying helped to protect Concubine Song and her daughter because of the protection shown by Censor Song.

For a moment, Yu Jiao didn't think Cheng Ying was that scary. She thought that Cheng Ying was a human being with some flesh and blood and emotions. She was not the kind of person who killed and gave life to others at will and had no humanity at all.

Or maybe it was because she knew that Cheng Ying could also perform cesarean sections and stitches, and this common bond made Yu Jiao unable to control her feeling of closeness to him.

In addition, Cheng Ying actually knew how to perform a caesarean section, which made Yu Jiao so excited that she could hardly sit still. Then she had more doubts in her mind. If Cheng Ying was from the same world as her, then why did she see her perform a caesarean section on a rabbit without ever trying her?

When she first saw the scalpel in Li Jing's hand, she even spoke English to test him!

Yes, Cheng Ying had accepted the original Meng Yujiao as his apprentice, and he must have taught the original Meng Yujiao how to perform surgical operations such as cesarean section. Otherwise, why would he suddenly show up at her coming-of-age banquet and ask her to dissect a rabbit?

After figuring this out, Yu Jiao almost couldn't help but stand up. She really wanted to find Cheng Ying to ask her about it. She was so excited.

Seeing Yu Jiao, who was always calm and composed, walking back and forth in the room with her expression fluctuating wildly, Gu Yun felt a little uneasy, thinking that Yu Jiao had recovered her memory.

"Yu...Yu Jiao, what's wrong with you?"

It took Yu Jiao a while to calm down. She took a deep breath and shook her head. At this moment, she was already a thousand miles away from the capital. Even if she was very excited, she had to wait until she returned to Beijing to find Cheng Ying to ask her about it.

"Did Cheng Ying teach me the technique of caesarean section?"

Gu Yun hesitated and said, "That should be the case. Apart from him... and you, I have never heard of anyone else having a caesarean section."

When Yu Jiao set Xiao Ning's bones, it was the first time that Gu Yun saw such medical skills and he was amazed.

Later, Yu Jiao's life experience became clear, and Liu Ziqi sent people to find out that she had been raised by Cheng Ying in Huairou for several years. So they conceded that Yu Jiao's mysterious medical skills were passed down from Cheng Ying. Although it was not known what Cheng Ying's intention was in taking Yu Jiao, the orphan of Princess Huaiyang, as her apprentice and passing on the medical skills to her, according to Cheng Ying's personality, it was very likely that she did it just for fun.