Setting: The
father's dual personality is A and B, and the
daughter's dual personality is C and D.
Then, what happens in this house is the process of A, B, C, and D are randomly paired.
If the normal personality is regarded as the first level of personality, namely A and C, and the pathological personality is regarded as the second level of personality, namely B, D, the result that can be seen in the movie is:
The encounter of A and D is more common.
The encounter between B and C is concentrated at the end of the film.
The encounter of A and C is the most superficial situation.
And the last kind of encounter between B and D is just a hint in the movie:
that is, what happened when B (Charlie) was playing hide-and-seek with another personality of the D girl.
This should be the structure of the movie~
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