Yan Sui became the regent and assisted his younger half-brother Yan You in ascending the throne. Faced with General Wei He's ambition for military power and Queen Mother Jiang Fuwei's checks and balances, he relied on his extraordinary ingenuity and joined forces with his father's former subordinates Shen Ziqian, Geng Biao and others to put down the rebellion step by step. In the process, he was burdened with loneliness and struggled to grow up in the whirlpool of power and conspiracy. In the end, he helped Yan You secure the throne, while he retired after success and pursued his own world. The whole text revolves around growth, showing the forbearance and sharpness of the young regent.