There are three major families in Daliang: Tan, Ji, and Lin, who are in charge of military affairs, political affairs, and wealth. Lin Huaixi, the legitimate daughter of the Lin family, pretended to be sick because of her mother's murder, and secretly investigated the cause of her mother's death. With the help of Mu Yunye, the third prince of Xizhou, the cause was found out and the murderer was killed. Dr. Zheng of the Imperial Hospital avenged his love, used his position to make friends with powerful people, and involved the Lin family in the struggle between the princes. In the end, the head of the Lin family was sentenced to death and the whole family was exiled. Mu Yunye rescued Lin Huaixi during his exile and took her back to Xizhou. The two joined forces in Xizhou and seized the imperial power of Xizhou. Lead the Xizhou army to attack Daliang. In the end, the weak defeated the strong, captured the beam, and unified the world.