Cu Ling, who was studying in the human school, unexpectedly discovered that the two transfer students turned out to be Bi Xia, a demon who had been defeated in the past, and Lan Xixuan, a fellow student. Moreover, the senior brother was ordered to ask Cu Ling and Bi Xia to go to the Qin Dynasty more than 2,000 years ago to retrieve the magic beads of the leader of the demon path. In the Qin Dynasty, Chu Ling and Bi Xia met a group of Xiu Si who were also demon hunters. They worked hard together, but the outcome was not what Chu Ling had imagined...
A story about demons and angels. As for who is the demon and who is the angel, only God knows.