The heroine Annaaccidentally witnessed a murder on the street. She was found by the gangster and chased after her. In the panic fight, Anna was injured and fell into the river and survived her death. Anna became the only witness who survived and saw the true face of the murderer. The police decided to find a breakthrough in solving the serial murder case from Anna.
The injured Anna woke up from a coma a week later, but found that every face she saw was constantly changing and deforming-she could no longer recognize the faces of those around her, including her boyfriend and father. This symptom is medically called "face agnosia", also known as "face blindness". The murderer also seemed to know the secret that Anna suffered from facial blindness due to a brain injury. In order to test whether Anna really could not recognize herself, the murderer constantly tried and provoked Anna through various means. Anna felt that the murderer was with her, threatening her life at any time by her side. In the end, the murderer confirmed that Anna could only identify different people by the color of the clothes and the style of the tie. He decided to stand up and take the risk. He changed into Anna’s ex-boyfriend’s clothes, brought Anna to see Anna, and prepared to take Anna to a remote place. Get rid of. However, after a hundred secrets, a detail error by the murderer made Anna suddenly aware that the man in front of her was not her ex-boyfriend, but the criminal who wanted to put her to death. After receiving Anna's call, the police came to rescue Anna, started a life-and-death contest, and finally arrested the murderer
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