Over a decade ago, a treasure map led to the destruction of the Li family, which was once powerful officials of the previous dynasty. Years later, the sole survivor, Li Yunzhi, returns with a heart full of vengeance. Disrupting the arranged marriage of the Ye family, Li Yunzhi collaborates with Princess Ye Lingyue to carefully plot a scheme, positioning herself by the side of the ailing Crown Prince Song Chen, waiting for the perfect moment to strike back. As she endures several tests, Li Yunzhi gradually realizes that the prince seems like someone from her childhood… A forbidden love blooms amid hidden emotions and newfound desires, blending torment with unexpected tenderness. Ye Lingyue and Li Yunzhi, once enemies and now reluctant allies, grow closer as they face countless challenges together. But as the downfall of the Ye and Wan families unfolds, the secrets of the treasure map and the true identities involved are finally revealed...