When Hong Kong is rocked by multiple gruesome murders, the police forms a task force to investigate. Jun, once a brilliant detective who suffered a mental breakdown, begins his own investigation. Eventually, the police learn that the murder victims are all suspects of cold cases being rubbed out by a figure known as "The Sleuth". Now, Jun and a detective from the task force are on a race against time to beat the brutal killer at its own game.
Marcus Burnett is a henpecked family man. Mike Lowrey is a footloose and fancy free ladies' man. Both Miami policemen, they have 72 hours to reclaim a consignment of drugs stolen from under their station's nose. To complicate matters, in order to get the assistance of the sole witness to a murder, they have to pretend to be each other.
Freddy Heflin is the sheriff of a place everyone calls “Cop Land” — a small and seemingly peaceful town populated by the big city police officers he’s long admired. Yet something ugly is taking place behind the town’s peaceful facade. And when Freddy uncovers a massive, deadly conspiracy among these local residents, he is forced to take action and make a dangerous choice between protecting his idols and upholding the law.