Liu Lang, a modern ordinary person, watches "Kangxi Dynasty" at home late at night. The TV flickers and explodes. His soul travels to the early years of Kangxi and possesses the young Chen Tingjing (15 years old, has not yet passed the Jinshi examination, and is in the Prime Minister's Palace in Yangcheng, Shanxi Province). He directly replaces Wei Xiaobao's entire plot position in "The Deer and the Cauldron". The body contains the soul of a modern youth, and the outer shell is Chen Tingjing, a model of upright officials in history. I was supposed to be studying hard to be the emperor's teacher, but I was forced to take over Wei Xiaobao's script: breaking into the palace, pretending to be a eunuch, confronting Obei, messing around with heaven and earth, and circling the pearl to seek party disputes. On the one hand, I have to maintain the character of the "Chen family talent", and on the other hand, I do crazy Wei Xiaobao-style tricks, funny pulls, and at the same time, I have to bear the real historical line: compilation of the "Kangxi Dictionary", rectification of money laws, the rise and fall of the Imperial City Prime Minister's family...