Xia Ren has been married into the Su family for three years as their son-in-law. When the Su family faces power grabs by its clan elders, suppression by the Wang family, infighting among the provincial capital's merchant guilds, and threats from the Marquis's residence, he uses modern business thinking and financial strategies to overcome every crisis. He wins over the Marquis's private army, takes control of Jinling's commercial trade routes, and defeats all his enemies. Ultimately, he joins hands with Su Qinghan, determined to expand the Jinling Chamber of Commerce and seize control of the economic lifeline of Great Chu.