The Substitute Maid of the Marshal

After the Shen family was massacred, only Shen Nanzhi and her brother, Shen Changqing, survived. Suspecting Marshal Yan Jiulin was the culprit based on a button found at the scene, Shen Nanzhi infiltrated the Marshal's mansion as a substitute for the maid Su Ying to uncover the truth. During her investigation, she crossed paths with Yan Jiulin, orchestrated for the maid Meng Ying to take her place as a concubine, and was subsequently framed by Meng Ying. Saved by the second young master of the Yan family, Shen Nanzhi learned about the secret behind the custom-made buttons. Later, she engineered Meng Ying's affair to be exposed, leading to her suicide. However, jealous of Shen Nanzhi, the daughter of the Governor, Jiang Yiyi, conspired with Yan Tianyi to push Shen Nanzhi off the stairs...