In the decadent Dayong Dynasty, where the gentry has been monopolized for hundreds of years and the class has been completely solidified, in order to get rid of the fate of a poor family and fight for a fair life for the people at the bottom of the world, Su Qingyan, a young girl, disguised herself as a woman as her dead brother and entered the scientific examination hall, and relied on her talents to break through the situation step by step. Determined to innovate, fight against the entire system of nobles and nobles, and finally break the ancestral system of etiquette and end the dictatorship of the gentry. She grows from a scholar in common clothes to a female prime minister in common clothes. She determines the world with the scholar's character, and works with her confidant prince who is forbearing and dormant to protect the stability of the country.