Visual metaphor in Movies By Paul Schrader

Here is the video on finding metaphor for film LIGHT SLEEP (1992) by paul schrader.
John LeTour, the hero of "Light Sleeper," Paul Schrader's brooding, lonely new film, delivers drugs to clients in Manhattan. He works for a dealer named Ann, who runs her operation as a business, but dreams of getting into another one - maybe she'll start a cosmetics firm. It's the daydream of anyone who is being paid too much to do something that no longer matters to them; they'll quit one day, and do what they really want to do. But somehow they can never afford that. Maybe a catastrophe would be a blessing in disguise.

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0:50 What's that movie?

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Mishima: A Life in Four Chapters.