Ten years ago, they solved strange cases and protected Chang'an, thinking that the dust had settled. Ten years later, strange events occurred again: Taizong's funerary objects appeared in murder cases, future stone tablets were buried deep in the palace walls... All clues point to the mysterious organization "Zhulong" - they hold the prophecy book, claim to be historical correctors, and vow to eradicate all "errors".
Samodoro and his companions were forced to reunite, only to discover that their life experience was actually connected to the origin of the "Book of Destiny". When Wu Zetian is about to become emperor, a century-old conspiracy emerges, and they must choose between protecting reality and rewriting destiny. This time, my blood is not cold, and I will go against the will of heaven!