The seventh prince of Yan, Yan Xi, who has the title of God of Coldness and Death, conquers the state of Qi in one fell swoop and takes away the young princess Tao Xiaowei of the fallen state. The five-year-old child, Tao Xiaowei, makes the palace restless and the cold-blooded prince experiences the hardships of raising a child for the first time. When the two of them grow up, their feelings mingle and a bold little girl enters into the heart of the apathetic god of killing.