This is probably the greatest evil.
However, Christian, a normal person from the outside world, really brought cracks in this disordered and closed world of centralized power. He glimpsed the cracks in the world of normal people. Even if the children who grew up in the closed world were ignorant, they were still smart. From the eldest daughter The moment the videotape is about to show the inevitable ending.
After the videotape was exposed, the centralized parents actually made a decision that they could no longer let outsiders destroy the family within the wall, and let the eldest daughter take the place of Christian to solve the son's sexual needs. When I saw this, it was really simple. Like a mythical world full of incest. However, according to the setting that the mother said later that she would have a twin and a dog, these three siblings are not necessarily biological.
I regret watching the introduction before watching the film. It should be better to uncover the veil of this story step by step.
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