As a member of the police force who has been marginalized for thousands of years, {Lin Feng} was accidentally bound to the villain system - as long as you perform "villain operations" (playing tricks on colleagues, cheating teammates, and reverse tricks on enemies), you can unlock supernatural detection skills and redeem props! He originally wanted to fish for rewards, but he was stalked by the silly newbie Su Xiaoran, and was forced to be involved in a series of supernatural murders. The spy villain Chen Mo hides a murderous intention, and his brother Zhao Lei is framed and imprisoned. Lin Feng can only be forced to "go dark" and use villain methods to solve strange puzzles and collect evidence. Frequent urban ghost stories are intertwined with spies' conspiracies. The funny protagonist is playing tricks and causing trouble while relying on system rewards to make a comeback, protect brotherhood, and uncover the spies' conspiracies and shocking secrets behind the supernatural events!