Twelve years ago in City A, an inexplicable murder occurred. The top rich man in City A died tragically at home. When the police and doctors arrived, they only saw a cold body and a bloody baseball bat. Although later investigations revealed that the fingerprints on the baseball bat were not those of the rich man himself, the strange thing was that the whole case was not taken seriously. The hasty closure of the case by the police seemed to be brewing some kind of conspiracy... With the passage of more than ten years, the strange atmosphere no longer shrouded the whole case, but the bright Ma Xiaobiao silently re-activated on the streets of City A...
