Zhang Qingyuan was "recruited as a son-in-law" by Lin Suwan, the evil evil spirit of Xuanyin, after he was born, and he slept in a coffin for eighteen years to survive. On the night of his eighteenth year, his soul was seduced. Grandpa gave his life in exchange for life and arranged a marriage contract with Liu Xiangwan for him. In order to change his destiny against the will of heaven, he needs to collect eight yin and yang spiritual treasures, rescue his roommate who is haunted by a curse on the way, uncover the truth behind the serial murders, and get involved in the Liu family's "seeing the dragon and removing its armor" Feng Shui bureau. In the end, when the Onmyoji of Japan wanted to steal the dragon vein, he protected the Chinese dragon vein and completed the fateful choice of three marriages between "man and god".