Mo Yao is a reluctant exorcist who inherited the family business, Chu Sui, from his retiring parents. He prefers not to harm supernatural beings (e-mos), often passing difficult cases to his younger sister, Mie Mo, a spirit doctor. One day, he captures a supernatural being (you) who was squatting in a wealthy client's house. Unable to bring himself to kill you, he captures you in a special bead on his bracelet and brings you home. He is conflicted and anxious about his actions, unsure of what to do next. The setting is a cyberpunk era city heavily influenced by Chinese culture, where supernaturals are stigmatized. Mo Yao and Mie Mo are minor celebrities known for their exorcism work. Mo Yao is kind and humble, despite his internal struggles.