Bizarre murders happen successively in Yingtian Prefecture. The jade-faced divine detective Shen Yanzhi encounters the unconventional fengshui master Su Qingyuan, and the two form a detective duo. A murder case at the Drunken Immortal Pavilion pulls out the old case of the extermination of the Li family's clan, and the lurking Seven Stars Sect and Yin Evil Seven Stars Array gradually surface. Imperial conspiracies, human-skin demon shadows, and true and false orphans take turns on stage. While cracking the supernatural mystery, the two deeply fall into life-and-death crises, develop mutual affection on the way to investigate the truth, join hands to confront the mastermind Prince Qing, and protect the people of Yingtian Prefecture.