Deep-sea researcher Lin Shen meets Shen Chuan, an artist aboard his research vessel. Over four months spent together day and night, the two develop deep feelings for each other. Before they part, Shen Chuan's confession is unexpectedly interrupted, and they agree to reveal it on "page thirty-seven" after Lin Shen returns from his voyage. But while waiting, Shen Chuan dies in a car accident, leaving behind only a sketchbook filled up to page thirty-seven. Every page after that is blank. Five years later, at a depth of ten thousand meters in the Mariana Trench, Lin Shen discovers countless paintings of dusk by Shen Chuan, sunk beneath the sea. Stacked together, they form a city made of paper. At last, Lin Shen understands that all the blank pages after page thirty-seven had already been filled by Shen Chuan in another way. Just as the words say, "How can words left unspoken become an eternal arrival in the depths of time?" A true farewell is not death, but forgetting. A true reunion does not happen in this moment, but in every moment you keep moving forward with the light the other person left behind.
Theme: How words left unspoken can become an eternal arrival in the depths of time
