The scavenger Duan Jin is the remnant soul of the sealed demon king; the famous disciple Jiang Zhuo is the hunter who was ordered to kill him.
The Beilin heart-breaking tragedy tied the two people together. One wanted money to show the way, and the other wanted the truth and his life.
Each of them has a secret and each bears a blood debt, but they are forced to go together in pursuit of the murderer——
Prey and hunter, who's to blame?
Concept: "Caught between fate and prejudice, two teenagers who have been stereotyped by labels use a joint pursuit of a murderer to verify whether 'who you are' is determined by the past or by every choice in the present."