This drama tells the story of the Jinyiwei who punish evil and uphold justice. The drama focuses on the protagonist Shi Jingyao, how he finds his way out of confusion and gradually transforms from a small person into a hero. At the same time, it also portrays the tragic character of Emperor Zhu Changqing, who tried to benefit the world but died before he could achieve his goal. Through compact events, the drama explores multiple topics such as the estrangement between father and son and the understanding between brothers, and the resolution of national hatred and family feuds.