Chu Yao, a modern soul who transmigrates to the world of immortal cultivation, finds herself inhabiting the body of the infamous villainess from a novel. The System assigns her a cruel task: abuse and humiliate the male supporting character, Xie Chenzhou, before meeting a tragic end. Her first attempt fails and costs her life, but she unexpectedly wakes up reborn three hundred years later. By then, Xie Chenzhou has turned dark, consumed by hatred and bent on destroying the world.
Faced with a new redemption mission, Chu Yao presses forward, anxious but determined. Xie Chenzhou meets her with suspicion and hostility, while everyone in the immortal cultivation world regards him as a monster. Her path to saving him is fraught with obstacles. She must ease the hatred that has built up within him after years of injustice, while also facing pressure and danger from all sides.
Through this difficult journey, Chu Yao gradually discovers the goodness hidden inside Xie Chenzhou, and her persistence begins to sway him. But hatred repeatedly drags him back toward darkness, undoing her efforts time and again. At last, when a harrowing crisis arrives and Xie Chenzhou teeters on the brink of destroying the world, Chu Yao stakes her life to reach him, finally awakening the long-dormant goodness in his heart. In the end, the two overcome one hardship after another together and rewrite their fates, bringing peace and renewal to the world of immortal cultivation. Amid the wonders and challenges of their journey, they create a moving legend of redemption.