On the first day after Shen Mo was reborn as the Su family's son-in-law, he encountered the mysterious and sudden death of his bride. When everyone accused him of being a disaster for his wife, only the eccentric young lady noticed the golden light hidden in his eyes. A contract bound the detective Xianjun and the merchant's daughter together. From the serial poisoning case in Jiangnan to the theft of the dragon pillar in Huangling Town, the two gradually uncovered the shocking conspiracy behind the rebirth in the process of solving the case - the Jiuyou Demon Lord, who was sealed thirty years ago, is rebuilding his body through seven "soul sacrifice cases"...