Su Zhiyu, the eldest daughter of the Su family, was granted marriage by imperial decree to Xie Linzhou, the dandy second son of the Yongning Hou Mansion. In the Zhou Dynasty, where etiquette was strict, substitute marriages were inherently controversial, but the husband was drunk in the new house on the wedding night, and rumors spread all over the next day. She runs the house with a cold face, checks the accounts, adjusts the tax returns, and establishes a powerful house at every step. He is a ruffian on the outside but pure on the inside. From escaping from marriage and gambling to making meritorious deeds on the battlefield, he counterattacked on the battlefield and became the "Iron-faced Little Marquis". After a wrong marriage, the two people dislike each other and become dependent on each other for life and death. They work together to overcome the grudges of the noble family, work together to break conspiracies, relieve disasters, and settle borders. She wrote "Governing the Country" and became famous in the court, but he resisted the powerful and protected his wife to the end. Marriage first, love later, the male protagonist is so sweet, I am so happy that enemies finally get married.