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Are you asking about the movie Alias Grace (English: Alias Grace) adapted from the nonfiction novel of Canadian woman writer Margaret Atwood? ! It happened not in America, but in Canada. The heroine is a maid who has experienced ups and downs. The death of her mother and friends brought her a great blow. Since then, sleepwalking and transient amnesia have often occurred. She came to a family to help. Nancy, the housekeeper of this family, has an ambiguous relationship with her master, because she is jealous of her master's good feelings for Grace, and gives her little shoes everywhere. Grace was jealous of her for it. Later, another man in the family intimidated Grace into killing Nancy and her master. After committing the crime, he failed to escape and was thrown into prison. Simon, a doctor, was entrusted with the psychiatric appraisal of Grace and found that Grace was a patient with multiple personalities. This murder was actually committed by another personality of Grace, Mary (that is, Grace's dead friend). But the court did not accept this diagnosis. Grace was sentenced to decades in prison and disappeared from public view after her release.

As far as I know, there is no Chinese version of this film, but the original has been translated. You can come and have a look if you are interested.