In the game, Xiaobu found the key to the dungeon in her mother's pajamas, but the entrance to the dungeon was not in her own home, but in her classmate Jiang Xiaohu's home. What made Chen Ge even more distressed was that Xiaobu seemed to have pushed open the door in the dungeon of Jiang Xiaohu's house.

Only when a person has lost all hope can he open the door. What did Xiaobu see in the dungeon? What did he encounter?

"Captain Li, do you have any information about Jiang Long's family?" Only Jiang Long's family knew what happened in the dungeon, and Chen Ge was ready to go over and find out.

"Why are you asking this?" In Li Zheng's opinion, Jiang Long's family had nothing to do with the case.

"I think the murderer of Bu Yi might be Jiang Long and his family. Do you remember the painting on the ceiling of Room 104? The names of Jiang Long's family of four are written on it." Chen Ge was ready to give Li Zheng some hints. If he could get help from the police, he would feel much more relaxed.

"The murderer wouldn't be stupid enough to carve his own name at the crime scene." Li Zheng has been investigating cases for more than a decade and has never seen anything like this: "Leaving his own name at the scene of the corpse, is he intentionally telling everyone that he is the murderer?"

"That painting could have been drawn by someone else, or it could have been some special ritual." Chen Ge knew that Li Zheng was a policeman and it was inconvenient for him to reveal citizens' privacy, so he could only insist that Jiang Long's family was related to the dismemberment case.

Li Zheng was silent for more than ten seconds before speaking: "In fact, we have already investigated Jiang Long's family. His family situation is quite complicated."

Chen Ge had a bad feeling in his heart: "Could the whole family be missing?"

"Before Jiang Long got into trouble, Jiang Long's wife took the two children to see a psychologist. Then, only a week later, Jiang Long got into a car accident. Jiang Long's wife Zhang Chuyu and eldest daughter Jiang Bai disappeared one after another. Of the family of four, only Jiang Xiaohu is still alive." Li Zheng hesitated to speak. He seemed to be hesitant about whether he should tell Chen Ge what happened next.

"Is Jiang Xiaohu still alive? Where does he live now? I have a few questions I want to clarify in person." Chen Ge felt that this child was very important.

"The kid has gone crazy. He stabbed the psychiatrist who was treating him. Sometimes he behaves like an irrational beast and is impossible to communicate with. If you must ask, then go to Jiujiang Mental Hospital. We just met him there this afternoon." What Chen Ge could think of, the police had also thought of, but they did not get any useful clues from Jiang Xiaohu.

After hearing what Li Zheng said, Chen Ge's first reaction was whether the child was pretending to be crazy. He would not underestimate any opponent, even children.

"Captain Li, can you take me to see the child?"

Chen Ge persuaded Li Zheng for a long time before he finally agreed. He hung up the phone and called back a moment later: "I called the mental hospital. You'd better go there early. They seem to ban outsiders from entering at nine o'clock."

"Thank you, Captain Li!"

"Chen Ge, you can go, but I have something to tell you in advance." Li Zheng said with a strange tone: "Be careful, keep your distance when talking to that child, be careful that he gets sick and hurts you."

After saying that, Li Zheng hung up the phone. There was a murder case in the eastern suburbs and he was very busy recently.

"Why did Li Zheng tell me to be careful with that child?" Chen Ge sat up from the bed, grabbed his backpack, checked the things inside, and hurriedly ran out of the haunted house.

Jiujiang Mental Hospital is a public hospital. Unlike the third ward, it is very formal and operates strictly according to regulations. If you go too late, you may not even be able to get in the door.

At 7:20, Chen Ge took a taxi to Jiujiang Mental Hospital. After he told the gatekeeper the name of Li Zheng from the Criminal Investigation Brigade of the Municipal Branch, a doctor in a white coat ran out.

"You are the Chen Ge that Captain Li mentioned, right?" The doctor was tall and thin, wearing black-framed glasses. He was taciturn and didn't seem to like talking much. "My full name is Pei Jiaoyang, you can just call me Doctor Pei. The patient has been taken to the daytime interrogation room. For safety reasons, your conversation must be concluded before nine o'clock."

"Okay." Under the guidance of Doctor Pei, Chen Ge entered Jiujiang Mental Hospital. The feeling this place gave him was completely different from that of the third ward.

"It's this room. I'll be with you along with the nurse. You don't have to worry about your safety."

"Thank you for your help." Chen Ge felt that it was more useful to use the title of policeman. If he came alone, people might not let him in at all.

"Human life is at stake. It's my duty to cooperate with your investigation." Doctor Pei entered the ward and pointed at the naked boy: "He is Jiang Xiaohu. Someone will send his information to you later."

The ward was very simple, with only a bed and three wooden chairs. The child was sitting on the bed with his hands and feet tied with ropes. His eyes were dull and he would not even look at anyone even if they approached him.

"Can you untie the ropes for him?" Chen Ge sat on the wooden chair next to the bed. He found that the ropes had cut into the boy's flesh.

"For your safety, it's better to tie him up. He just had an attack this afternoon and bit everyone he saw. We had to work hard to control him." Doctor Pei sat next to Chen Ge and added, "Don't be fooled by his fair and handsome appearance. When he goes crazy, it takes two nurses to stop him."

While Dr. Pei was talking, there was a knock on the door, and a female nurse came in with a document: "Dr. Pei, here is the patient information you requested."

Doctor Pei took the information and handed it to Chen Ge. "From the time Jiang Xiaohu first came to us for treatment three years ago to now, all the information is here. Take a look at it yourself. If you have any questions, you can ask me."

Chen Ge flipped through the information and took a quick look. He found that the doctor who provided psychological counseling to Jiang Xiaohu three years ago was Pei Jiaoyang, and the psychologist who was later stabbed by Jiang Xiaohu was also him.

"You were the one who provided psychological counseling for Jiang Xiaohu three years ago?" Chen Ge finally found someone. He was eager to know what happened three years ago: "Can you tell me the details of the situation at that time?"

The room suddenly became quiet. Dr. Pei did not reply immediately. The treatment process three years ago seemed to be a memory that he was reluctant to mention.

"I saw that Jiang Xiaohu's diagnosis was initially written as mania, then changed to schizophrenia, and finally changed to the patient's personality is relatively stable, self-awareness is relatively complete, and mental illness can be ruled out. Why are the diagnosis results of the same person different three times?" Chen Ge put down the information and looked at Doctor Pei: "What happened three years ago? Why did Jiang Xiaohu's family send a child to a mental hospital?"