A series of gripping unsolved murder cases, clues that are easy to ignore, and thrilling and tortuous detection processes reproduce the real situation of the police arresting thousands of criminal suspects in recent years, and strive to promote the style of public security policemen who risk their lives as guards. A true story, a sadistic plot, an incredible case... The real battle between good and evil, an in-depth analysis of complex human nature, the relationship between good and evil is not opposition but an entanglement... What kind of unknown secrets are hidden behind the unsolved cases? Little-known murders, important cases, unresolved cases, mysterious cases... Every case is sobering!
