Chen Wuwang, a modern-day head chef for state banquets, travels through time and becomes a useless live-in son-in-law. On his wedding night, he sees through Zhao Lingyue's act of pretending to be ill, and the two form an alliance to face life and death together. Using his modern culinary skills and business acumen, he builds a medicinal cuisine empire. Husband and wife join forces to fight his stepmother, expose conspiracies, and seize family property. They are also drawn into court politics, helping the Crown Prince overthrow corrupt officials. From a down-and-out live-in son-in-law to the Great Jing Dynasty's foremost imperial merchant, the couple stand united and write their own legendary tale of a spectacular rise.