The story takes place in a "spiritual era of the 21st century" that is parallel to reality. Technology is prosperous, but the undercurrent of spiritual energy is resurrected. The government acquiesced in the existence of "psychics" and established a secret management agency [Xuan Bureau] to maintain balance. On the surface is a prosperous city, but behind the scenes is the secret struggle between monks, demon spirits, ancient tribes, and alien gods.
