The whole story is divided into two lines, one is the line of the sun and the other is the line of the underworld. The line of the sun has temporarily stopped at the moment the car overturned. Come here, the man didn't survive and died. It's as simple as that. What happened after the car rolled over was not an illusion, nor was it reality, but something that happened in another dimension "the underworld". The most obvious hint given by the film is the clock. All stopped, the car watch and watch time stopped at 6:29.
Supplement 1: The line in the underworld is not continuous. The heroine has woken up several times in a coma. When she is sober, she is temporarily in the underworld.
Supplement 2: The person who drove the snow plow should be a dead person, because the part where the heroine answered the phone line happened in the underworld, and it was impossible for people in the world to receive the information.
Supplement 3: The scene where the heroine goes to the bathroom is very important. The door lock is constantly changing between good and bad. This is the direct reason why the heroine can't open the door. No one hears the shouting because the bathroom is in a short period of time. Another space, I estimate that the 606 road and the gas station are in a special space. The dead snowmobile driver in the gas station and the toilet problem are all evidences. The door lock's transition between life and death responds to the proposition of the reincarnation of life mentioned by the hero in the title, and also foreshadows the following story that will happen between people.
Supplement 4: What happens in the underworld will affect the underworld. The most obvious evidence is that the heroine's right hand was injured in the underworld, and finally injured in the underworld. At the end of the film, there is a scene where the police bandage the heroine.
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