At the beginning of the movie, Kim Yong-soo tells the truth about the matter to the prosecutor. The elderly Jin Yongshu suffers from dementia, and his memories are constantly being forgotten. So he started recording and writing a diary to record his memories. Jin Yongshu grew up in the shadow of his father's domestic violence. Once home from school, Jin Yongshu saw that his cherished white sneakers were covered with kimchi sauce by his father. During his father's beating, Jin Yongshu resisted and killed his father with a pillow. Jin Yongshu put his father's body in a sack and buried it in the soil. Uneasy, Jin Yongshu never waited for the police to arrest him. After this, Jin Yongshu had the idea of becoming a justice killer. He kept killing the "scumbags" and executing his own justice. The drunkard who enslaved others, the vicious moneylender, the woman who mutilated the kitten... Jin Yongshu buried the corpses of the scum in a bamboo forest. On the way home from a crime, Jin Yongshu accidentally had a car accident. The vehicle rolled over and Jin Yongshu injured his brain. After the operation, he cut off half of his brain. After that, Jin Yongshu stopped committing crimes. The negative effects of dementia begin to manifest with increasing age. In an accident at work, because of forgetting, Jin Yongshu, a veterinarian, accidentally killed a sick kitten. So, Jin Yongshu began to use a tape recorder to record what he had done. In an accidental car accident in the fog, the gray-haired Jin Yongshu ran into another murderer, Min Taeju. Jin Yongshu begins to trace Min Taeju's trail. He reported to the police that he saw a body in the trunk of the car. Jin Yongshu wants to use the power of the police to solve the out-of-control situation that Min Taiju may bring to his life. Min Tae-ju is a policeman who easily defuses Kim Young-soo's accusation. Because he lived under the malicious corporal punishment of the police father since he was a child, Min Taeju gradually formed an anti-social personality. He likes to use violence and hurt others. Min Tai's residence is responsible for several recent serial killings. Kim Young-soo decided to go after Min Tae-ju himself, and completely solve the unstable threat this serial murderer may bring to his daughter, Kim Eun-hee. Relying on the killer's intuition, Jin Yongshu found the body of the woman who was abandoned in the pond by Min Taiju. Then, Jin Yongshu made an anonymous report. The body was found by the police. The dementia symptoms became more and more serious, and Jin Yongshu began to wonder if he was the murderer of those young girls recently. At the same time, Min Taiju also had the idea of framing Jin Yongshu. Min Tae-ju wanted to go to the store to find Jin Yong-shu, but unexpectedly met his daughter Jin Eun-hee. With ulterior motives, Min Tae-ju became Kim Eun-hee's Boy friend. On the way to drive, Jin Yongshu saw his daughter holding a man's arm. At this time, he actually forgot what Min Taiju looked like. Jin Yongshu stepped forward to ask, but he couldn't remember where he had seen this man. The dementia is getting worse, and Kim Young-shu's memory has been constantly cycling between reality and fantasy. In order to protect his daughter Kim Eun-hee, he forced her to live in his sister's monastery temporarily. As the memory becomes more and more confusing, Jin Yongshu tracks Min Taeju and finds the videotape of the murder from his home. After handing over the evidence to a police friend, Jin Yongshu hopes that the police can protect his daughter and arrest Min Taiju. However, Min Taiju suddenly told Jin Yongshu that his sister had died many years ago. The memory was confused again, and Jin Yongshu drove frantically to the monastery. It turned out that it had been abandoned for many years. Jin Yongshu suddenly recalled that his sister hanged herself at home many years ago. Could it be that the sister who has been praying in the monastery in his memory is a fiction? Jin Yongshu was completely confused at the moment. In Jin Yongshu's mind, the picture of himself strangling his daughter appeared. He couldn't tell whether it was true or not. The fictional elder sister coincides with the wife in memory. Jin Yongshu recalled that his wife cheated when he was young, and then he took both his wife and lover to the bamboo forest and strangled them to death. At this time, Jin Yongshu felt that his daughter may have been fabricated by himself. When he was about to commit suicide, the voice of his daughter, which was accidentally recorded, and Min Tae-ju's threatening voice were heard on the tape recorder. Jin Yongshu finally remembered that his daughter was real. Moreover, the daughter was sent to Min Taeju's car by herself who lost her memory. After releasing the recording to a police friend, Jin Yongshu drove to find the place where Min Taeju hid his daughter. On the other hand, after tying up Kim Eun-hee, Min Tae-ju recalled his tragic experiences as a child. In order to protect his mother against his father, Min Taiju stabbed his father with a knife. His mother stopped him from behind with the iron. The mother, who tried her best to protect her, betrayed herself and chose to stand on the side of her father. Min Taiju completely collapsed. Since then, Min Taeju has become misogynistic, and gradually began to kill women for fun. Just when Jin Yongshu found his bound daughter, he fell ill again. Jin Yongshu apologized and asked Min Taeju where he was. Seeing this, Min Taeju felt unbelievable and very funny. During the fight, Jin Yongshu killed Min Taiju. When the matter was over, the police came late and arrested Jin Yongshu. The bodies of many years ago in the bamboo forest were also dug up by the police. However, the police never found Min Taiju's body. this time After the incident, Jin Yongshu's daughter lost her memory and changed into aphasia. Jin Yongshu was taken to a nursing home. Because of the statute of limitations and Alzheimer's disease, Jin Yongshu was not punished by the law. At this time, the news reported that the police wanted Min Taiju. A few days later, Jin Yongshu changed his face, dressed neatly, and left the nursing home. ... the reverse is coming! The reverse is coming! The reverse is coming! ...Under the camera, Jin Yongshu took off the white sneakers that he wore upside down, and the scenes in his memory kept flashing. It was foggy that day, and Min Taiju drove his car into Jin Yongshu's car. Min Taiju found a large amount of blood dripping from the trunk of Jin Yongshu's car. So, Min Tae-ju began to track down with Jin Yong-shu's police friend. In fact, police friends have long suspected that Jin Yongshu is the serial killer from seventeen years ago. And he felt that most of the recent cases were also related to Jin Yongshu. Through the disclosure of his girlfriend Kim Eun-hee, Min Tae-ju found the body in the bamboo forest. The police friend invited Jin Yongshu to an abandoned house in the forest, and then called for support. He wanted to give his friend Jin Yongshu a chance to turn himself in, but it cost him his life. Min Tae-ju arrives at the abandoned residence, where the chief has been killed. During the fight, Jin Yongshu killed Min Taiju again, and then sank the body together with the car into the bottom of the lake. At the end of the movie, everything becomes clear. Min Taiju is really just a just policeman, while Jin Yongshu is a murderer from beginning to end. Jin Yongshu's narration, true and false, deceived most of the audience, and also deceived the police. Min Taiju's tragic experience should be the experience of Jin Yongshu. That night, Jin Yongshu resisted his father's domestic violence and stabbed his father with a knife. His mother stopped him from behind with an iron. Since then, Jin Yongshu has become misogynistic. Later, Jin Yongshu committed a series of murders, but has been at large. Years later, after killing his wife and lover, Jin Yongshu was in a car accident on his way home. After the operation, Jin Yongshu cut off half of his brain. Later, in order to raise his daughter, Jin Yongshu stopped committing crimes. Seventeen years later, Jin Yongshu committed the crime again. In a car accident, Min Taiju found Jin Yongshu's body in the trunk, so he began to investigate the truth together with the officer who had long suspected Jin Yongshu. In order to eliminate the hidden dangers, Jin Yongshu decided to put the blame on Min Taiju for feigning Alzheimer's and committing murder in the near future. So, he made up a "truth" that seems to be true and false. The key to the whole film is the lie of Alzheimer's. Because of Alzheimer's, the police had to trust Kim Yong-soo's loophole A lot of "truth". After all, Jin Yongshu was the only party left. The police officer was killed; Min Tae-ju was nowhere to be found; Kim Eun-hee also lost his memory and suffered from aphasia; Because of the excuse of "senile dementia", Jin Yongshu picked himself clean. Just at the cost of his daughter's aphasia, Jin Yongshu successfully eliminated two policemen who knew the truth. Moreover, since Kim Eun-hee is not his own, it's okay to be a little wronged. Jin Yongshu, a sinister, cunning, murderous demon! In the future, I don't know how many people will die in his hands.
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