In trying to help the young miss marry her fiance, the "maid" Yue Ziyuan finds that she's the one who has fallen in love with Yang Xiao. Along the way, the two join hands with righteous individuals from the pugilistic world. Yue Ziyuan of Shenwei Escort is under orders to protect Bai Yinruo, the youngest daughter of the Bai family up until her wedding day. By chance, Yue Ziyuan discovers that Bai Yinruo's fiance is none other than Yang Xiao. In order for Yang Xiao to marry Bai Yinruo, Yue Ziyuan has no choice but to agree to cooperate with Yang Xiao to embark on a "dangerous journey" to reviving the merchant roads. They also work together to investigate the murder of their parents. Adapted from the novel "I Can't Afford This Maid" (这个丫环我是用不起了) by Yun Jiu (云九).