This novel follows Song Gongming, a transmigrator who, after losing both parents, struggles to survive in the world of the courtyard houses by relying on the fishing skills he acquired in his previous life, before eventually turning his fortunes around. After three years of hard work fishing, he finally triggers the awakening of a mysterious System. From then on, he devotes himself to punishing evil and promoting good, reforming Jia Zhangshi's lazy ways and correcting Silly Zhu's bullying behavior. He also resolves to stand shoulder to shoulder with the moral exemplar Yi Zhonghai and become the guardian of justice in the courtyard. Under his leadership, harmony gradually returns to the courtyard, while Song Gongming hopes to live forever and witness all the changes that take place before and after his transmigration.
