Mistress Yue Zi Yuan of the Shenwei Armed Escort is tasked with protecting Bai Yin Ruo, the daughter of her foster mother Hong Wan Jun until her wedding day. In order to fulfill her obligation to Madam Hong, Zi Yuan is forced to pose as Yin Ruo's maid in the Bai's manor. There, she discovered her nemesis Yang Xiao is Yin Ruo's betrothed. Zi Yuan agrees to cooperate with Yang Xiao and embarks on a "dangerous journey" to lead the Shenwei Armed Escort back on business and revive the merchant roads, all while also working together to investigate the murder of their parents... (Source: AnastasiaWun at MyDramaList) ~~ 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).