Traveling through the Longqing period, Shen Yan, the prodigal son of Qinhuai, wanted to live a leisurely life relying on poetry, wine and a clever mouth. However, due to an old letter from his mother, he came to Beijing and discovered that the powerful Zhang Juzheng was actually his biological father whom he had never recognized. A modern soul who is good at checking accounts and dismantling affairs, from passing the exam, clearing the father-in-law to opening the sea, and military pay, he fills the loopholes in the system between his father and the young Wanli, and is also step by step involved in the recognition of father and son, the suspicion of monarchs and ministers, and the reform of the world. If historical tragedies can be rewritten, is it his father or the Ming Dynasty that he wants to save?