As the new emperor ascended the throne, messengers from various nations made their offerings. The Tiele Tribe was killed before they arrived at Yumen Pass. Li Xun of Dali Monastery, together with Chu Yunjiang of the largest martial arts group around, Bagualou, and Feng Yinjue, a renowned ghost doctor, investigated the killings, only to realize the killer was not ordinary.

All of this was just the beginning, and even worse, more terrifying things were hiding and following them.

How will these three very different investigators solve all of these unusual cases, deal with crises, and battle each other?