Modern civil servant Shen Qingyun accidentally traveled to the fictional dynasty "Da Zhou" and became a street fortune teller. Because he was involved in the corruption case of local officials, at the critical moment of life and death, he activated the golden finger [future simulator], which can consume luck points to simulate the trajectory of his life in the next thirty years. He used this ability to accurately avoid disasters and seize opportunities in the officialdom. He started as a county official and went through county examinations, government examinations, and imperial examinations. With his prediction of the future and modern management thinking, he repeatedly solved strange cases, implemented new policies, and provided disaster relief and peace of mind. He dealt with local powerful people, court factions, border forces and imperial power. Every choice he made was made through countless simulations and deductions, and he was always able to make decisions that maximized interests. From the county magistrate to the prefect, from the governor to the central government, Shen Qingyun's official career seems to be smooth sailing, but in fact it is shocking at every step. He gradually discovered that the "future" revealed by the simulator was not static. Every action he took was changing the course of history, and his biggest opponent seemed to be able to get a glimpse of the secret. In the end, he must make a choice between the known "optimal solution" and unknown variables to climb to the pinnacle of power.