Xie Zhao, the God of War in the North, was defeated and beheaded. When he opened his eyes again, he was the regent of an enemy country. His memory had been tampered with, and his identity was like a prison. The empress's sister Yun Heng presses closer and closer, the old rebel general Qin Xiao hides murderous intentions, the imperial doctor Shen Zhiwei guards his blood letter silently, but the useless heir Jiang Jiuling smiles in the dark. He must be reborn in the intrigues of the court and retrieve the butcher's knife from the memory fragments. Every step closer to the truth brings him one inch closer to destruction - is he a replaced soul or a carefully cultivated regicide blade?
