Shen Wan was startled.

Xie Jingyan had already asked, "What happened to Lu Cheng?"

Chen Feng hurriedly replied, "The heirs of Marquis Xuanping and Duke Du were in charge of patrolling the city tonight. They discovered men in black scaling walls and rooftops. When the heir of Marquis Xuanping tried to arrest them, he was stabbed and fell off the roof, losing consciousness. The heir of Duke Du panicked and didn't know what to do, so he sent the man to the Ling Prince's residence."

With each word Chen Feng spoke, Shen Wanxin trembled three times over.

She couldn't imagine how badly she would be injured if she fell from the roof...

Xie Jingyan looked at Shen Wan and said, "You go back to Moyuxuan first, I'll go take a look."

After saying that, before Shen Wan could speak, Xie Jingyan, supporting himself on the viewing tower's corridor, jumped down.

Chen Feng followed.

The two figures quickly disappeared into the night.

Shen Wan went down the stairs, but she didn't listen to Xie Jingyan's advice to return to Moyuxuan. She needed to see Lu Cheng's injuries with her own eyes before she could feel at ease.

Shen Wan also went to the pharmacy in the front yard. When she arrived, Doctor Tao had just finished taking Lu Cheng's pulse and asked Xie Jingyan, "Did you give him the antidote pill?"

Xie Jingyan shook his head.

Du Chengan quickly said, "My father gave me an antidote pill and told me to carry it with me. I saw that the blood from his wound was black, so I gave it to him."

Dr. Tao said, "Fortunately, the medication was taken in time, which suppressed the toxins and prevented them from entering the lungs and internal organs."

Du Cheng'an was rescued by Doctor Tao because his adoptive father was bitten by a poisonous snake while hunting. Doctor Tao then brought the longevity lock that the imperial son-in-law had been searching for for a long time to the capital, and finally the father and son were reunited.

Du Cheng'an also loved hunting, but Princess Huyang, fearing he might encounter poisonous snakes while hunting, forbade him from going.

However, the eldest son-in-law was not one to give up easily. In order to please Princess Huyang, he gave Du Cheng'an an antidote pill. If he were bitten by a poisonous snake while hunting, this antidote pill might not necessarily cure the snake venom, but it would at least ensure that he could return to the mansion and find the imperial physician to save his life.

Du Cheng'an found it troublesome to carry around medicine bottles, but since he didn't carry them and the Imperial Son-in-Law wouldn't let him go hunting, he had no choice but to obey.

Du Cheng'an never expected that the antidote pill could save Lu Cheng's life.

Doctor Tao took out silver needles to protect Lu Cheng's heart meridian, and then treated the injury on Lu Cheng's waist.

Upon seeing the wound, Doctor Tao was shocked. "This kid is really lucky. If that sword had gone in half an inch deeper, he probably wouldn't have survived on the way here."

Xie Jingyan asked, "Can we save his life?"

Doctor Tao said, "They were brought in in time, so they can be saved."

It's good that it can be saved.

Shen Wan, who was standing at the door without going in, also breathed a sigh of relief.

Dr. Tao didn't say anything more and focused all his efforts on treating Lu Cheng.

Xie Jingyan looked at Du Cheng'an, "Did you catch that man in black?"

Du Cheng'an shook his head. "Lu Cheng fell off the roof and the man in black ran away. The city patrol did chase after him, but they definitely couldn't catch up."

The man in black was highly skilled in martial arts; even Lu Cheng was no match for him, let alone the ordinary constables of the city patrol.

Furthermore, the men in black were already at a disadvantage, as they could scale walls and rooftops while the city patrol officers chased them from below.

Du Cheng'an said, "However, when Lu Cheng fainted, he said that the man in black was from Xiliang, and I even found a token that the man in black had dropped on the ground..."

As he spoke, Du Cheng'an took out a token from his pocket.

Xie Jingyan took the token and looked through it.

The token was made of unusual material, but he couldn't tell that it belonged to someone from Xiliang.

Shen Wan stood at the door, watching from afar. When Xie Jingyan turned the token over, her eyes narrowed.

She strode into the house, took the token from Xie Jingyan, and looked at the back.

Shen Wan said, "This is the token of the King of Cheng."

"The King of Cheng?" Xie Jingyan frowned.

Shen Wan nodded. "I've seen this token in my dream."

In his previous life, the emperor passed away, and Xie Jingyin ascended the throne.

She saw the token on the dragon desk in the imperial study. Xie Jingyin gave the token to Prince Cheng. She found it strange and asked another question. Xie Jingyin said that the token originally belonged to Prince Cheng and he was just returning it to its rightful owner.

When Shen Wan mentioned Prince Cheng, Du Cheng'an suddenly remembered something and said, "The place where the man in black was found is near Prince Cheng's residence, so it's very likely that he came from Prince Cheng's residence."

After a pause, Du Cheng'an continued, "But Lu Cheng said the man in black was from Xiliang..."

He didn't know why Lu Cheng said the man in black was from Xiliang, but since he said that before he fainted, it must not have been a casual remark.

Du Cheng'an didn't know much, but Shen Wan and Xie Jingyan knew that there was an iron mine in Wangzhou, the fiefdom of Prince Cheng, and that it had been mining it privately for two years. Unauthorized mining of iron ore was a crime equivalent to treason. They already suspected that Prince Cheng had treasonous intentions, so it was not surprising that Prince Cheng was secretly colluding with Xiliang.

Xie Jingyan took the token back from Shen Wan, examined it several times, and asked Du Cheng'an where he had found it.

Du Cheng'an didn't understand why Xie Jingyan asked that question. It didn't matter which corner it was found in, right?

After clarifying the situation, Xie Jingyan casually tossed the token to Chen Feng and instructed, "Put the token back in its original place."

"Be careful not to alert them."

Chen Feng accepted the order and withdrew.

Shen Wan asked, puzzled, "Why did you return the token?"

This was also Du Cheng'an's question.

Xie Jingyan said, "Judging from the welcoming banquet, the Crown Prince of Xiliang and Prince Cheng did not collude. I need to confirm this."

"If the token truly belongs to King Cheng, Xi Liang would surely come back to search for it, hoping for the best, after losing something so important."

If the man in black doesn't go back to look for it, Chen Feng will bring the token back himself.

Once the man in black leaves, Chen Feng will be able to track him down and find where he is staying.

Du Cheng'an felt like he understood, but at the same time, he didn't.

It was late at night, but the city patrol had to continue. He was at the Ling Prince's residence, so he was at ease.

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