When he was four years old, Prime Minister Wang Guan took great power in his hands and controlled the ministers in the court. He wanted to seek power and usurp the throne. Yan Wuge was sent out of the palace by his father and entrusted to the Immortal of the Void. From then on, the woman disguised herself as a man and transformed into a round fan to learn the art from her master. Her classmates included senior brother Qin Ziye, second senior brother Gu Fu, and third senior sister Xiang Wan. The four of them learned the art together. Twelve years later, his father died of poisoning. As the eldest son, Yan Wuge hurried back to the palace to see his father for the last time and compete with the prime minister. Afterwards, he went south to investigate a huge fortune that was buried during the troubled times, and various bizarre cases followed. They had quarrels and quarrels on the road, and established a deep relationship. They worked together to solve the case, and after going around and around, they discovered that Tuan Fan was the real Yan Wuge. As Tuan Fan's life experience became transparent, the grievances and hatreds of several people gradually deepened, facing today's power struggle and past feelings. . . . . .