When a young doctor discovers a forbidden formula in the ancient Chatuizhou Healer's manuscript, he embarks on a perilous quest to save his love, only to uncover a web of deceit and dark magic that threatens the very fabric of their world....

In a remote village of Chatuizhou, a healer's life is turned upside down when a mysterious potion he creates has unintended, dark consequences, leading him on a harrowing quest to understand and reverse its effects....