The first stage: A girl from the Department of Mathematics of a modern university was reborn as a maid in the Han Mansion, the emperor of the Great Cold Dynasty, and this maid had just been killed by the lady of the Han Mansion. The maid who woke up was sent to the Han Mansion to serve the illegitimate son of the Han Dynasty master, who is the male protagonist. The male protagonist has the memory of his previous life and knows his fate, so he wants to change his future. However, because he was really uneducated in his previous life, and the doctor People did this deliberately, and the male protagonist was powerless to do anything about the scene in front of him. After the female protagonist was sent to serve him, she gradually helped the male protagonist, taught him many things, and relied on her mathematical talent to work outside to make money, so that the male protagonist started to go to school and left the Han family.
The second stage: After completing his studies, the male protagonist gradually entered the officialdom of the Great Cold Dynasty due to his outstanding political talent. However, at this time, the Great Cold Dynasty had just ended the war and the country was very poor, people's livelihood was poor, agricultural technology was very backward, and the economy was depressed. So the heroine relies on all the knowledge she has learned in modern times to work hard with the hero for the future of the Great Cold Dynasty. The last two laid the foundation for the Great Cold Dynasty and became famous.