When young lawyer Lin Chenyuan took on a bizarre underworld marriage inheritance case, he accidentally became a contract couple with his ghost wife Jiang Liyan, becoming a bridge between the earthly world and the underworld. As more and more supernatural cases are involved in his life, he, the detective Ye Xiaoqiao, his ex-girlfriend Chu Tianyao, Xu Mingxuan, the gatekeeper of the underworld, and Ba Ye, the leader of the ghost market, all become the intersection of their respective destinies. Multiple story lines are intertwined: the truth about ghost marriage, the ghost wife's past life conspiracy, the order of the underworld, ghost market transactions, and life and death in the world are all entangled with them. Not only do they have to face the horrific events in front of them, but they also have to trace the truth behind the obsession of the deceased. As the contract deepens, Lin Chenyuan gradually reveals the ultimate secrets of his own physique and the Yin and Yang world, and he and Jiang Liyan go from respecting each other like ice to sharing life and death, embarking on a grand adventure of cross-border redemption and human growth. In the end, they will decide the fate of the two worlds and their own future choices.
