The main line of the story is the political struggle of an imaginary dynasty. Li Ran, a young official, was involved in a high-level power struggle due to investigating a case, and met his ally Su Man and his close friend Cui Shiming with different personalities. In the whirlpool of power, Li Ran repeatedly saved danger with his intelligence, humor, and gradually grew into the core force of the court. As forces change, former partners become rivals, former enemies become friends, and the struggle for power reaches a climax - Li Ran faces the ultimate test of his family and country's ideals and personal choices. Amidst the jokes and wisdom, everyone plotted the chessboard on the power chessboard, and redeemed and grew up with each other through destiny. The book finally ends with a change of power and the growth of human nature. The theme is closely related to the intersection of power, growth, humor and destiny.