In order to find out the truth behind the sect's annihilation, Yun Qingshuang disguised herself as a man and sneaked into the martial arts academy. She accidentally had a fateful entanglement with the contemporary martial arts master Xiao Linyuan. From using each other to sincerely supporting each other, the two gradually uncovered the secrets of the era of martial arts three hundred years ago, and finally shattered the Netherworld invasion conspiracy. The heroine breaks through the limits of martial arts with her original Yin Vein training method and becomes the first Valkyrie in a thousand years.
