"Yes, like a dog."

Zi Yan nodded at her affirmatively.

"Okay." Gu Yunru looked at Cheng Shaoyuan who came out of the house, and walked forward curiously and asked, "What did the imperial physician say?" Cheng Shaoyuan was a little surprised to see her here, and then looked at Zi Yan who was comforted, winked at her, and the two walked to the corner.

"The imperial physician said that Concubine Shu was poisoned by a rare poison that can cause a person to lose his temper, which is why she was scratching and biting randomly. She smashed everything in the room, and now she has drunk the magic medicine."

Shufei's condition was like she had soul-leaving syndrome and she began to lose her memory.

"So that's how it is. Did she have any wounds on her body? What did she drink?" Gu Yunru asked curiously.

"There aren't any injuries on my body, just some scratches."

"oh."

"Ever since the emperor issued the ban, Concubine Shu has been eating very light food. It is precisely because of this that more people have the opportunity to take action."

Cheng Shaoyuan had such doubts, but Concubine Shu was now a lost dog, so why did the person behind her keep pressing on? "Let's go check out the small kitchen." Gu Yunru suggested, maybe we can find something in the small kitchen.

I walked into the small kitchen with Cheng Shaoyuan and found that there was nothing wrong with the ingredients inside. The imperial physician also checked everything here and did not find any poisonous food.

"Meet Lord Chengguo, meet the princess, these things have been tested with silver needles and are not toxic."

The imperial physician in front of him was on duty at the Imperial Hospital and was very experienced. He could tell whether something was poisonous just by smelling it. Gu Yunru raised an eyebrow and looked at the small kitchen. The stove was tidy and the food was neatly arranged.

"Brother Cheng, have you noticed anything wrong?" Gu Yunru shifted her gaze to him and saw that he was frowning slightly. Whenever he was solving a case, he would have this expression.

"Go to the room and have a look."

Cheng Shaoyuan felt that the poison should be near Concubine Shu, or had been destroyed by someone.

The two men came to the house, which was a mess. The room had already been cleaned up by the servants. Looking from a distance, it was empty except for a few bloodstains on the wall, which was quite shocking.

It was hard to imagine what had just happened here. Concubine Shu was already lying on the bed with a tired face, and only her sharp fingers were still shaking, as if the scene just now was like being possessed by a ghost.

"All the things have been cleared away." Gu Yunru came to the courtyard and found that all these things were placed in the middle of the courtyard, so she asked the imperial doctors to check if there was any problem with these things.

Looking at Zi Yan who was huddled in a corner not far away, Gu Yunru decided to walk up to her and ask about the situation.

"Purple smoke."

"princess……"

Zi Yan felt inexplicably guilty when she saw Gu Yunru.

"There's nothing wrong with your queen's food, so I doubt she inhaled something."

Gu Yunru told her everything he thought of without hiding anything. Zi Yan paused and whispered, "Ever since the ban was issued on the Majesty, the servants in the Ministry of Internal Affairs have also begun to deprive the Majesty of her rights. She has to work very hard to get food and daily necessities."

"Then... have you seen any strange people?" Gu Yunru asked step by step, staring into Zi Yan's eyes. Zi Yan stared straight ahead with lifeless eyes, trembling and said: "I... I have not seen any strange people."

It turned out that he knew nothing about anything, so Gu Yunru simply gave up asking.

Soon, it was getting dark. Gu Yunru looked at the absent-minded Cheng Shaoyuan and said to him, "Tell me, what is the mentality of those who want to harm Concubine Shu?"

"He must have a grudge against her."

"It's useless to say that. However, it seems that the other party didn't want to kill her directly. Instead, he tortured her to drive her crazy first."

Gu Yunru walked forward, stroking his chin and speaking thoughtfully.

"That's right." Cheng Shaoyuan was walking when he suddenly saw a suspicious figure in front of him. He stayed there for a moment and was about to catch up when the figure suddenly disappeared into the darkness.

"Who did you see?" Gu Yunru saw that his eyes were wide open and there was some faint movement in the treetops, so she mistakenly thought it was the wind.

“No…” Cheng Shaoyuan looked at her from a distance anxiously and said, “I’ll take you back to rest first.”

"Um."

The two walked back in silence. The moonlight tonight was very sad.

"Are you used to everything in the palace?"

Cheng Shaoyuan broke the silence.

Gu Yunru seemed a little at a loss when asked suddenly. She smiled and continued, "It's all OK. It's the same as always. There's nothing new."

"Is he...good to you?" Cheng Shaoyuan seemed to be particularly concerned about her affairs. Gu Yunru was stunned and seemed to not know how to answer.

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"Yeah." Gu Yunru lowered her head. It was neither good nor bad, just salty and bland, with no feelings.

He sent her all the way back to the Queen Mother's bedroom, then stopped there, looked at her figure and said, "You go back first."

"Um."

As soon as Gu Yunru returned, she saw Aunt Hua standing in front of her like a ghost, staring at her with her gloomy and sharp eyes, which made her get goose bumps all over her body.

"Auntie Hua...it's so late, why haven't you slept yet?"

Gu Yunru smiled foolishly, only to see that Aunt Hua looked as steady as a rock.

"The Queen Mother will be worried if the Princess returns so late."

"Ah... I get it. I won't do it again next time." Gu Yunru sticking out her tongue at her playfully and going back into the house with Nanny Hua.

The next morning, Xiao Dengzi told Gu Yunru the news of Zi Yan's death. Gu Yunru rushed to the scene, but found that Zi Yan's body had begun to stink and become bloated. He heard that she was fished out of a well.

"Have the people from the Dali Temple and the Ministry of Justice arrived?" Gu Yunru looked at the small stool beside him and asked with concern. The small stool scratched his head and said, "They haven't arrived yet, but Master Cheng is here."

As he was speaking, Cheng Shaoyuan walked in against the sunlight, wearing a white robe with wide sleeves fluttering in the wind.

"Send the body to the Dali Temple first."

"yes."

When Cheng Shaoyuan arrived, he had Zi Yan's body carried away. He looked at Gu Yunru in front of him and said, "Did you sleep well last night?"

"Ah, it's fine." Gu Yunru didn't know why he asked this and nodded blankly.

"I have to go back to the Dali Temple first."

"I'll go too!" Gu Yunru looked at the confused little stool beside her and knew that no matter how she explained, no one would listen. However, she had to find the real murderer quickly.

Aunt Hua came to the Queen Mother's side with a cup of calming tea, leaned over and said, "The princess has left the palace with Master Cheng. It seems that the princess's purpose of entering the palace this time is the same as what the Queen Mother thought."