In the Yin dynasty's capital, a string of ghostly murders shocks the city. Shi Haoxuan and Xuan Kun-brilliant youths with mysterious pasts-team up to solve the crimes. As they uncover the 20-year-old "Yehuo Extermination Case," secrets of the "Yehuo Five Disasters" and their own origins come to light amid growing conspiracies and deadly ambition.
