He is Luo Tong, the son of Luo Cheng, the cold-faced Han-gun Qiao.
She is Cheng Tiehuan, the daughter of the demon king Cheng Yaojin.
He and she have been childhood sweethearts since childhood.
In her heart, she yearns for the infatuation of a pair of people for the rest of her life
He then promised her a lifelong love and never complained about separation.
However, in a battle to sweep the North, he finally became famous, but her life and death were uncertain...