Ye Xunshu, the wife of the Marquis of Yong'an, was not loved by her parents when she was a child, and was betrayed by her husband Chu Huaixiu after marriage. He insisted on marrying his "lost and found" sister as his equal wife. In order to support the fake sister, her parents actually plotted to make her lose their child. Despaired, she sought help from Bai Feiyan, the owner of the makeup shop, in exchange for a new life at the cost of enduring the heartbreaking pain caused by the face-changing poison. Bai Feiyan helped her pretend to self-immolate and feign death, and successfully escaped. As everyone knows, the so-called "biological sister" turned out to be the Madam of Huayue Tower in Jiangnan, and she replaced Miss Zhenye's identity through face-changing.
