Back to the story itself. We can think of it as Laura's deceptive recollection of her miserable adolescence in a multiplayer format. This is a conjecture, this is a dramatic scene Laura choreographed in order to get rid of her painful past. In fact, Laura did not exist with her friend Dong Donna in the nightclub. She was just a self-disintegration of a good girl who endured her father's rape. The undiscovered corpse was shot to illustrate this point.
So, what is the real situation? From the end of the movie, Laura finally got rid of her father's entanglement, led a normal life, and got married: her husband was portrayed in her fantasy as the police officer who traced the cause of Terrasa's death. She began to confide in herself. She imagined that she had been killed, achieving a self-cleaning comfort effect: when her corpse went down the river, she also started a new life, the angel on the frame in the boudoir had escaped, There was a gleam in front of her, which was a hint that she had finally stayed away from the nightmare and was born into the flames. In the final analysis, this story is Laura's dream and conjecture.
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