**Original Webcomic:** [KuaiKan Manhua](https://www.kuaikanmanhua.com/web/topic/16447), [AC.QQ](https://ac.qq.com/Comic/comicInfo/id/653110), [BiliBili](https://manga.bilibili.com/detail/mc32736), [IQIYI](https://www.iqiyi.com/manhua/detail_14v60rjwrhx.html) Zhou Jintian accidentally caught her ex-boyfriend Ji Boyan cheating on her. Unexpectedly, her ex-boyfriend's brother-in-law Ji Zheng asked her to marry her through a design agreement. Due to various work reasons, the two got along together. As their relationship gradually heated up, they suddenly learned that Ji Zheng marry her The reason for getting married is because of a letter. What on earth is going on? [