In Ouyang Mansion, Xie Huan'er is still locked up in the room, Ouyang Chen decided to investigate the case thoroughly in order to clear his name, and at noon, Ouyang Chen came to the door.

Since his mother was poisoned, let's start with the source of the forbidden medicine, there is only one pharmacy in the entire market, Ouyang Chen walked towards the pharmacy.

When I came to the shop, I saw Lang Zhong sitting in front of him.

"Childe came here to grab medicine?" As soon as he entered the door, before Ouyang Chen could speak, Lang Zhong greeted and said.

"Doctor, I'm here to inquire about you today. I wonder if anyone has been able to buy banned drugs here recently. Ouyang Chen saw Lang Zhong get up to greet him, and asked Shi Li.

"Why did Gongzi inquire about this?" Lang Zhong saw Ouyang Chen's sudden inquiry about this matter, so he asked Ouyang Chen with a little vigilance. Lang Zhong recalled that a few days ago, a woman had bought this medicine here, and he was afraid that something would happen, so he reduced the amount of forbidden medicine a lot.

Thinking of this, although Lang Zhong knew that someone had come to buy this medicine, he didn't dare to tell the truth.

Ouyang Chen on the side also thought about it, and determined that someone must have bought this medicine here, otherwise, when people inquired, they would not be so surprised and panicked.

"Don't worry, it's nothing, I just think this medicine is very good, I'm willing to buy some more." Seeing this, Ouyang Chen said to the doctor with a smile, and then took out a silver ingot from his sleeve.

The person in business, opening the door for money, seeing Ouyang Chen so bold, the doctor was overjoyed, stretched out his hand to take the silver tael, and beckoned Ouyang Chen to do it.

"The guest officer sat down for a while, and he had something to say slowly, I don't know why he came to the cold house today?" the doctor asked Ouyang Chen in front of him.

"I have already said it just now, today I am here to ask you who has bought the forbidden medicine again?" Ouyang Chen replied when he saw the doctor's inquiry.

"Guest officer, if you come here, you are a guest, how can I reveal other people's information?" Seeing Ouyang Chen's inquiry, the doctor rubbed his palms and said to Ouyang Chen. Then he dodged his gaze to the side

"Now, can you say it?" Ouyang Chen's mind took out ten taels of silver from his sleeve again, and shook it in front of the doctor.

"I thought about it, oh, I remembered, just two days ago at noon, there was indeed a person who bought medicine here, it was a woman, very well-dressed, a young lady of all the people. The doctor said to Ouyang Chen in front of him.

Hearing that the doctor said that she was a well-dressed young lady, Ouyang Chen was surprised for a while, in Ouyang Mansion, Xie Huan'er was dressed plainly, and it was definitely not decent, so who else? Li Shishi! Yes, Li Shishi was dressed very decently, but she didn't have any grudges against her mother, and this person was kind-hearted, and she would never be able to do such a thing, so who was that?

By the way, there is another person, that is his cousin Liu Huanhuan, but this is absolutely impossible, Liu Huanhuan's parents died when she was a child, and her mother raised her as an adult, which means that she treats it as her own. In addition, Liu Huanhuan also regarded her mother Li as her mother, how could she do such a disobedient thing.

"Then what are the characteristics of this young lady?" Ouyang Chen was puzzled for a while, and continued to ask the doctor.

"Said, characteristics, this, I really can't remember. The doctor saw that Ouyang Chen in front of him was a big customer, and felt that he would slaughter him fiercely, so he pretended to think about it.

"Do you remember?" The previous doctor was so greedy, Ouyang Chen was unhappy for a while, but because he had something to ask for, he didn't think too much about it, and took out a silver ingot again.

"I remembered, I remembered, the girl had a jade pendant hanging from her waist, which was green. The doctor hurriedly snatched the money and said to Ouyang Chen.

Hearing the doctor's words, Ouyang Chen was taken aback, because there was only one person in the whole mansion with a green jade pendant, and this person was his cousin Liu Huanhuan, but why did Liu Huanhuan want to harm her mother? This made Ouyang Chen feel puzzled for a while, because over the years, her mother had never treated her badly.

With these questions, Ouyang Chen left the pharmacy with heavy steps and walked towards the mansion. Along the way, he thought a lot, the scenes of the past were spinning in his mind one by one, and his cousin Liu Huanhuan's pure smile was now so ironic in his mind, he couldn't imagine that Liu Huanhuan, who he had always regarded as his own sister, would do such unfilial things.

Unconsciously, Ouyang Chen had already come to the mansion, but out of trust in his cousin, Ouyang Chen decided to go to his cousin's room at night to ask about it.

Unexpectedly, it was getting late, Ouyang Chen left the room, walked towards his cousin Liu Huanhuan's room, and when he came to the door, he heard someone whispering between Liu Huanhuan's room.

Ouyang Chen was just about to push the door and stopped, and he listened to it first, and it was not too late to enter the door.

"If you dare to publicize the events of that day, today next year will be your death day, do you understand?" Liu Huanhuan shouted sharply at a person.

"Don't worry, butler, I will never tell you about your entry into Miss Xie's room. When a person heard Liu Huanhuan's words, he replied in a trembling tone in fright, from the way he talked and the tone of his voice, Ouyang Chen concluded that this was a maid in the family.

"Have I ever entered Xie Huan'er's room?!" Liu Huanhuan heard the maid's words, turned around and said slowly.

"No, no, I don't know anything, I don't know!" Yan Yan said the wrong thing, so he hurriedly explained to Liu Huanhuan.

Hearing this, Ouyang Chen gradually understood. Liu Huanhuan entered Xie Huan'er's room and bought forbidden drugs, so it means that Liu Huanhuan gave the medicine to Xie Huan'er, who didn't know it, no wonder Xie Huan'er was surprised when she heard the banned drugs that day, it turned out that she really misunderstood Miss Xie Huan'er.

Thinking of this, Ouyang Chen pushed the door and walked in.

"Ah, cousin, why are you there? Yang Chen suddenly broke in, Liu Huanhuan didn't feel panicked, and then said to Ouyang Chen in front of her.

"Oh, it's okay, it's been a long time since I've been here. You go down first, I'll talk to my cousin. Ouyang Chen saw that someone was present next to him, so he retreated, and then sat down.

"Cousin, you drink tea, ah, are you okay?" The maid in front of Liu Huanhuan walked out, with a hint of panic on her face, and then hurriedly poured tea for her cousin Ouyang Chen, because of the weakness in her heart, the tea suddenly spilled on Ouyang Chen's clothes. Seeing this, Liu Huanhuan hurriedly wiped it for her cousin Ouyang Chen.