The war in the country caused A Ning to be separated from her parents at the age of ten. A Ning's strong desire to find her relatives supported A Ning to travel around the world. On her fifteenth birthday, the demon-subduing blood in her body awakened, and she was captured by the demons and imprisoned for several months. Later, she was rescued by the Sword Immortal and placed in the Li Kingdom. The secrets of her life experience and the conspiracy of the war were gradually revealed.