As for salvation, it is a religious proposition of reincarnation, or karma. A killer cannot end well. It is perfect to die for the one loved. The audience seems to be able to guess this ending, after all, the ending of the movie must always conform to the rules of social stability.
The rootless plants run through the pot, like a half-life killer, and a precocious and perverted girl, wandering and lonely, floating on the edge of society without roots. They are all people in the dark night, but unlike Tony's type of people, they still have not given up the last bit of starlight, and have not been completely swallowed by reality and indifference.
Although the ending ending is regrettable, it is also a sublimation part of the film. Lyon could have escaped with the injured police officer while wearing a mask and went down the stairs. It is so easy to die. He did this to help Ma Tingda forget her hatred and hope that she will grow up to live a good life. He is not living for himself but for others! At the same time, it also sublimated the theme of the movie.
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