During the reign of Jin Qi, the God of War Fang Su met the young prince Sui Si by chance. Strange things happened in the city recently, so the emperor gave Fang Su the task of investigating the matter. When Sui Si learned about it, he and Fang Su launched an investigation together, but unexpectedly the prince Qin Li killed his father. After usurping the throne, Su Shangyi and Su Mansion were beheaded. Su Shangyi and Sui Si launched an investigation together. In order to avoid being assassinated, they entered the secret guard. Their former brothers became enemies. How should Fang Su and Yan face Qin Li and Xie Yang? Can they really not go back?
Concept: The history of the ancient royal family's struggle for throne