该剧改编自畅销书作家文吉儿的小说《春风习习人间谣》,《一起长大的约定》为该书的重点篇章平凡少女夏米意外考入市重点一中,机缘巧合下邂逅了阳光张扬的少年张若熙,沉稳理性的学霸范源,漂亮亲和的优等生林若泪,性格里迥异的四人在追逐梦想的过程中相互鼓舞,彼此羁绊,一同许下年少的约定,也在追求梦想的过程中实现了自己的成长与蜕变。。本剧讲述九十年代初,父亲与女儿、儿子意外失联,此后又不断互相寻找的感人亲情故事。。Two people in two different countries, both in quarantine during lockdown time, have a love affair through Facetime- but how viable is a relationship that might as well be just a fantasy?。