Looking for a wife-killing movie

Ge You plays a photographer who has the illusion of killing his wife after an accident. In the film, "there is a process of psychological struggle, and he is a kind of panic and psychological obstacle after negligence." Although there is no scene of bloody violence, the scene of Ge You killing his wife and hiding his body in the film is enough to make everyone who goes to the movies "suffocate" ...

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The plot is a little different, but it's similar. Kill your wife who plays the cello and hide in the piano box.