The general's mansion was massacred overnight. The general's daughter Su Muyu was lucky enough to be saved by the Ninth Prince Lu Yunchao and managed to survive.
So she took herself as a contract and the rest of her life as a promise, and only asked Lu Yunchao to help her avenge this blood feud.
In order to kill her enemies with her own hands, she practiced swordsmanship day and night. She also endured humiliation and practiced the art of seduction, secretly building up her strength, just so that one day she could kill her enemies with her own hands.
In a series of dangerous revenge situations, she and Lu Yunchao worked together step by step and calmly negotiated, and eventually their love secretly emerged.