Su Wei has been thinking about how to get rid of his wife Liu Jingzhi skillfully and unknowingly.

Although he also felt guilty for having this thought, lust eventually prevailed over his reason.

Due to the good treatment and fierce competition for positions in the torrent company, almost every employee is under great mental pressure.

Su Wei decided to take advantage of this to make a big fuss, because the haunted elevator in the office building where the torrent company is located and Liu Jingzhi's colleague Zhang Xiaoyan, who died unexpectedly and mysteriously in the elevator, are all bargaining chips that Su Wei can make full use of.

Su Wei had been planning for a long time, and finally came up with a brilliant solution.

He was even more considerate to Liu Jingzhi, and even the trivial things of drinking tea and pouring water, he diligently arranged for Liu Jingzhi.

Su Wei quietly incorporated diazepam tablets into the tea poured for Liu Jingzhi. The dose was slowly increasing, and Liu Jingzhi unconsciously adapted to the taste of drinking water at home without noticing it at all.

Under the influence of drugs for a period of time, Liu Jingzhi's mental state really went wrong and he suffered from severe anxiety disorder.

When she went home from overtime, the building was empty, and Liu Jingzhi's fear in her heart naturally needed not to be explained. When she saw the haunted elevator, the side effects of the drug came into play under the psychological effect of nervousness.

Therefore, Liu Jingzhi saw a ghost in a trance. When people are nervous and afraid, they often think of two extremes, one is the closest and most reliable person, and the other is the most feared and hated person.

Zhang Xiaoyan's intimate relationship with Liu Jingzhi before her death and the weird and terrifying scene in the elevator where she died tragically met these two conditions, so the 'ghost' Liu Jingzhi saw in front of her naturally became Zhang Xiaoyan.

It's just that Liu Jingzhi, who was stunned in front of the elevator, didn't know that this was just an illusion caused by her high work pressure and over-nervousness, and under the effect of drugs.

Su Wei, who had been waiting for Liu Jingzhi for a long time, estimated in his heart that Liu Jingzhi had a problem with his estimate, and his plan was being quietly implemented step by step.

Su Wei hurriedly dialed Liu Jingzhi's phone, and after getting no answer, he hurried to the office building where Liu Jingzhi's company was located. He pestered the security guards to find Liu Jingzhi who was unconscious at the elevator entrance and sent her to the hospital.

After Liu Jingzhi woke up and told her most trusted husband about the 'haunted' vision she had seen, Su Wei was overjoyed that the opportunity was finally ripe.

He knew that the torrent company would never tolerate a reception lady offending customers. As he expected, after Liu Jingzhi was in a trance and offended customers continuously, Torrent Company notified Su Wei to come and take Liu Jingzhi home to recuperate for a period of time.

During the two days that Liu Jingzhi stayed at home, Su Wei secretly used WeChat on his mobile phone to pretend to be Zhang Xiaoyan's ghost at home under the pretext of working overtime, and used WeChat on his mobile phone to intimidate Liu Jingzhi.

Liu Jingzhi never dreamed that Zhang Xiaoyan would tell the details of her life when she was with her, and she was immediately convinced that Zhang Xiaoyan's ghost came to ask for her life.

Of course, she ignored the fact that her husband Su Wei naturally knew these trivial things in life. It was only because of Liu Jingzhi's extreme dependence and trust on Su Wei that she subconsciously didn't think about it at all and suspected her husband.

Su Wei increased the dose of water he gave Liu Jingzhi to drink, and Liu Jingzhi, who was already in a trance and extremely anxious because of a series of events, no longer had much power to distinguish between illusion and reality.

Taking advantage of Liu Jingzhi's confusion, Su Wei, who was handsome but not tall and a little thin, secretly changed into women's clothes and pretended to be Zhang Xiaoyan's ghost at home to scare Liu Jingzhi, the purpose was to make Liu Jingzhi convinced of his encounter with a ghost, and finally completely collapsed Liu Jingzhi's mental state.

At Su Wei's suggestion, Liu Jingzhi finally agreed to receive psychological treatment. When Liu Jingzhi received the third psychological treatment, Su Wei felt that the opportunity was ripe for a start.

After he came home from work, he deliberately hugged Liu Jingzhi on the sofa and watched TV intimately together, and took the opportunity to quietly smear his semen prepared in advance on Liu Jingzhi's underwear, and then took the opportunity to have a seizure, making Liu Jingzhi misunderstand that he was sexually assaulted by psychiatrist Zhao Dong during hypnotherapy.

As Su Wei expected, under Su Wei's anger, Liu Jingzhi, whose mental state was on the verge of collapse, fell into a coma.

Su Wei hurriedly stuffed a few sleeping pills into Liu Jingzhi's mouth, and after swallowing the water, he hugged Liu Jingzhi to the bed. Su Wei changed Liu Jingzhi into another nightdress, hung one of her slippers on her feet, and carried the other in his arms.

Su Wei quietly slipped out of the house, and he used the electricity meter where the row of storefronts of the Yimin Psychological Clinic he saw a few days ago to artificially create a power outage.

Su Wei didn't know that there was also a miniature monitor in the Yimin Psychological Clinic, and he just wanted to use the darkness to kill Zhao Dong and blame Liu Jingzhi. It was really providential, the miniature monitoring that cut off the power did not record Su Wei's murder process, but because it recorded the complete process of Liu Jingzhi's treatment, Su Wei finally revealed his flaws.

When the power supply was cut off by Su Wei, Su Wei quickly came to the back door of Yimin Psychological Clinic. He knocked on the back door of the psychological clinic, and Zhao Dong, who was about to come out for an inspection for the sudden power outage, couldn't help but be stunned when he saw Su Wei standing at the door.

Su Wei told Zhao Dong that his wife's condition had improved greatly, and he wanted to have a good chat with Dr. Zhao Dong and ask Dr. Zhao Dong how to prevent Liu Jingzhi's condition from recurring after treatment.

Zhao Dong, who is enthusiastic, saw that Su Wei asked so much, and he was his own customer, so he naturally did not doubt him.

When Zhao Dong just opened the security door, Su Wei took advantage of Zhao Dong's turn to pull out a knife and cut Zhao Dong's neck fiercely.

Zhao Dong, who was defenseless, was cut by Su Wei with a knife to cut the common carotid artery, killed with a knife, and fell to the ground silently. Zhao Dongyuan's eyes were open, and he couldn't die.

Su Wei hurriedly moved Zhao Dong's body to the hospital bed, threw one of Liu Jingzhi's slippers he brought with him into the argument, and deliberately wiped some blood stains from the pajamas he had changed from Liu Jingzhi. After dealing with the bloodstains and footprints left by himself at the back door, he calmly left the Yimin Psychological Clinic.

The reason why he didn't close the door was so that others could find out that Zhao Dong was killed as soon as possible. There is another factor, that is, Su Wei knows that the old people spread the word of mouth, and sleepwalkers, although they are unconscious, their hearts are very spiritual. People with sleepwalking often stimulate the potential of the human body during sleepwalking, and can avoid objects.

Su Wei understood that if he locked the door again, not only would it not be easy for others to find out that Zhao Dong had been killed, but he would not be able to justify himself. Because sleepwalkers can open the door, but they won't close it.

When Su Wei returned home, he saw that Liu Jingzhi was still asleep, so he threw the underwear of Liu Jingzhi, who was stained with his own semen and fluid, and Liu Jingzhi's nightdress, which was deliberately stained with blood, into the washing machine, and wiped the murderous knife, erased his fingerprints, and then printed Liu Jingzhi's fingerprints and threw them into the trash can in the kitchen.

After the police came to the door according to the clues, Su Wei, who pretended to be surprised, deliberately revealed to the police that he had made up Liu Jingzhi's sleepwalking disorder.

After finding all the physical evidence and Su Wei's testimony, Liu Jingzhi's sleepwalking murder seems to be a certainty. When Liu Jingzhi was detained but unable to undergo normal interrogation, the police accepted the advice of a psychiatrist and first sent Liu Jingzhi to the Qingshan Sanatorium for psychological treatment.