She often dreams that there is a mermaid in the South China Sea, and she is persistently guarding a star.
She had been walking in the darkness until she met him at the age of eighteen.
But after he helped her fulfill her wish, he seemed to disappear until three years later.
He actually forgot about her.
What happened in these three years? What happened that night?
It wasn't until later that she realized that she was the persistent mermaid,
And that star is all her faith.