Transmigrating into a wicked master, Lan Yue discovers that her disciple is actually the future Ghost King who will cause her to meet a miserable end! To rewrite her destiny, she bestows divine swords, protects her disciple, desperately guides Xiao Jingyao onto the righteous path, and even thinks she has raised an obedient little disciple. Little does she know that Xiao Jingyao has long been reborn, remembering past grudges, outwardly respectful while secretly plotting revenge. But as Lan Yue blocks strike after strike in front of him, that ice-cold heart begins to waver. One desperately alters fate, the other single-mindedly seeks revenge, which of the master and disciple will ultimately rewrite the ending?