With the collapse of the barbarian kingdom imminent, Wanyan Huansha made a desperate counterattack and sneaked into the hinterland of Daqian with the remaining forces, vowing to die with Gao Ningyu. At the same time, the national pension plan promoted by Gao Ning touches the foundation of the family, and undercurrents in the court are surging. Queen Mother Yudang, Wang Zhong and others are waiting for an opportunity to counterattack. The emperor's intention is clear, but Gao Ning cares about the common people and does not want to get involved. When personal friendship and family, country and world collide again, can this "black-hearted lotus" break out of the whirlpool of power and conspiracy and become a true legend of a prosperous poisoner?