Meng Jin, an older woman, has a successful career and lives a bourgeois life, but she always feels that there is something unsatisfactory about her life. Everything feels solid, but it feels like something is missing. I often think about the boy I liked in high school, feeling that it was an unfinished dream of mine. And by chance, Meng Jin met him again after ten years, and he was not the only old friend he met. So, how will fate be chosen this time?