In order to retrieve an ancestral treasure for his good brother Yuan Duofu, Pei Ruiming, an ordinary boy, accidentally got involved in a dispute involving the world, the court, and the people. You have to meet various characters such as the cold-faced chivalrous girl Tang Heying, the Jianghu eldest sister Du Huaniang, etc. Along the way, they caught thieves in the city, broke through and solved the case, and by chance, they uncovered a big conspiracy that disturbed the court situation, and also unearthed the mystery of their forgotten life experiences. Between the power struggle and the fighting in the world, Pei Ruiming relied on optimism, humor, fearlessness in the face of danger, and everyone's wit to break through. After experiencing friendship, love, betrayal and growth, he finally became a small person, inadvertently achieving great things that broke the situation, and witnessed the warmth and warmth of people's hearts and the changes in the country. At the end, everyone either went into seclusion or stood side by side, and the world started laughing again, and it ended into an immortal legend.