That rainy night, in retrospect, was almost a climax. Pain should start when you are happiest, and her daughter's birthday is also the beginning of her darkness.
That re-emergence of the sun is the beginning of the climax again. The real pain begins when the dream comes true. Seeing the light of day after 15 years is the real beginning of the pain.
In fact, this movie may not make most people feel happy. Because whether it is color or music, it may be a bit depressing and world-weary. However, the charm of the old boy is that she is like a time machine, you can always see the future from the past, from the present, and from the future.
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