Modern corporate drone and Miaojiang culture enthusiast Lin Wan transmigrates into a book, becoming a doomed Central Plains princess who covets the young lord of Miaojiang and dies horribly from Gu poison. She is bound to the [Villain Redemption System] and must save Cang Heng, the young lord of Miaojiang, who is consumed by hatred and will ultimately destroy the world, and change his tragic fate. The System's missions are tied to sweet romantic interactions, and if she fails, the heroine's soul will be scattered. Cang Heng bears a heart-devouring Gu. Cold and bloodthirsty, yet starved for affection deep down, he goes from wariness to surrender as the heroine draws close. Together, they uncover the secrets of Miaojiang and conspiracies in the martial world.