Lin Yang (Sierra Li), a 31-year-old office worker, once shared a close childhood bond with Lu Zheng An (He Yu), the boy next door that is seven years her junior. They playfully exchanged rings and "married" during their youth before life separated them. Years later, Lu Zheng An, now 24 and recently graduated from studying abroad, reappears in Lin Yang's life with romantic intentions. Despite Lin Yang seeing him as a younger brother, Zheng An is determined to prove the authenticity of his feelings and win her heart. This persistent pursuit challenges their past relationship and creates tension between them as Zheng An attempts to transform their childhood connection into a potential romantic partnership. "My Fated Boy" is a 2021 Chinese drama series that was directed by Sun Cheng Zhi.