After the demon king's fall, the demon clan is scattered, and Chong Zi, pure yet tainted with dark power, is saved by the immortal Chu Bu Fu. Determined to cultivate at Nanhua, she's rejected due to a prophecy that she will become a demon. Unexpectedly, the revered Luo Yin Fan accepts her as his only disciple, promising to protect her.

But a conspiracy leads to her death, and in her second life, Chong Zi returns to Nanhua. Luo Yin Fan recognizes her instantly and seals away her dark power to keep her close. As fate relentlessly pulls them apart, Chong Zi embraces her demonic side, and the star-crossed lovers are torn between love and destiny. Can their bond defy the laws of heaven and earth?