During the Tianbao era of the Tang dynasty, the empire is enjoying unprecedented prosperity.
But beneath the songs and dances, the imperial court is corrupt, the realm has long since fallen into chaos, and evil spirits are wreaking havoc among the living.
To put an end to the disasters, the court summons a group of extraordinary people with supernatural abilities who have been living among the common folk back to Chang'an, forming a suicide squad to exterminate demons.
Shen Lian is one of them. After receiving a secret imperial decree, he sets off on his journey home. Little does he know that the road to his destination is fraught with danger. Before long, he has become entangled in a vast conspiracy...