On the day Xie Zhao was given the poisoned wine, he slaughtered all the royal family that had been given the wine and awakened his bloodline powers from his previous life. The son of the former lonely minister transformed into an eagle of the netherworld, accompanied by the poison doctor Liu Wuyin and the iron-blooded general Shen Chixiao, and worked step by step to uncover the secrets of the royal family's thousand-year blood sacrifice. Su Tang, the palace musician, secretly manipulated the situation, the third prince Zhao Jinghe borrowed a knife to kill people, and the upright young minister Xiao Huaijin's belief was being torn apart by the truth. The poisonous wine is not the end, but the beginning of the blood curse - when the national seal appears, who is the real successor of the previous dynasty?