Lin Qingyue, a modern caterer, transforms into an orphan girl who is on the verge of bankruptcy in an ancient restaurant. In order to survive, she improved the dishes and managed it cleverly, bringing "Qingyue Tower" back to life. However, a grain embezzlement case involved her in a secret war between the court and the local government, and she was forced to falsely marry and form an alliance of interests with Xie Yunzhou, a Qingliu Hanlin who came to investigate the case. In order to seek the truth, the two went south hand in hand, from the prosperous Jiangnan to the chaotic Guangzhou. They experienced business wars, shipwrecks, and pursuits, and formed a deep love on the edge of life and death. As a blood-stained smuggling account book appeared, the conspiracy pointed directly at the East Palace and the important officials of the court. The two were separated in two places. One went north to the imperial city with evidence, and the other played games in the court. In the end, they cooperated with each other and uncovered a shocking case of colluding with foreign enemies and smuggling arms in the Golden Palace. After the turmoil, the emperor granted marriage, and the couple did not change their original intentions and went to new places to continue their food career and their ideals of home and country.
Mission: Use food as a boat and integrity as a sail to survive the dangers of the world. Through the journey of the heroine from running a small shop to establishing a national chain of restaurants, the work shows the human fireworks and business wisdom behind "food is the most important thing for the people". At the same time, the choice of the male and female protagonists to defy power, pursue the truth, and protect their country deeply interprets the responsibilities and feelings of small people in the big era, expressing the positive values of "based on one's own duties and caring for the world", and the firm belief that justice may be late, but it will never be absent.