Synopsis：Tu Shanjiu, a blade merchant cursed by heaven, descends the mountain in search of a way to prolong her life and demands repayment of a marriage promise made ten years ago from Xie Shiyu, the man blessed with extraordinary fortune. Meanwhile, a rival spirit medium lurks in the shadows, setting trap after trap and bringing deadly danger at every turn. What begins as a relationship built on a contract and mutual benefit gradually becomes one of unwavering trust forged through life-and-death battles. When Xie Shiyu is willing to give his life so she can live, and Tu Shanjiu cuts down evil spirits and defies fate for his sake, they finally realize they have long since fallen deeply in love with each other.