In the Tianheng Dynasty, the imperial power declined and the court order was in chaos. The prince Xiao Chengxu had no intention of competing for the throne, but due to sudden changes, he was forced into the vortex of power struggle. Faced with the oppression of powerful officials, the suspicion of his brothers, and the sacrifice of his lover, Xiao Chengxu gradually grew into a scheming king. He worked step by step to eradicate dissidents, and finally ascended to the throne of God. However, when he was sitting in the world, he found that he had lost his original innocence and happiness. The intrigues of the palace and the temptation of power cost him a heavy price. The entire story unfolds from Xiao Chengxu's perspective, showing his transformation from an innocent prince to a generation of emperors, as well as his losses and gains in the struggle for power. Multiple story lines are intertwined, including intrigues in the court, battles in the harem, and grudges in the world. Eventually, all conspiracies will surface and the truth of history will be revealed.