A modern young man travels through time and transforms the formerly notorious wastrel Su Yan, abandoning his old misdeeds. Relying on his advanced skills and modern business acumen, he establishes a trading company and happens to meet Princess Zhaoning, who is concealing her identity. The two form a partnership and work together to create a variety of novel products that become wildly popular in the imperial capital. As they spend time together, they develop a mutual admiration. Just as a severe drought strikes the land and refugees begin to flood the roads, Su Yan receives an imperial order to travel to the disaster-stricken regions and oversee relief efforts. Along the way, he exposes corruption and disorder among local officials. Upon returning to the capital, he confronts the ministers at court. Amid the power struggles between various factions, fierce disputes erupt over the merits and failures of the disaster relief efforts and the imperial decree arranging the marriage between Su Yan and the princess.