The story plunges us into the vibrant, crime-ridden city of Naples, where Commissario Mauri arrives from Milan to take on organized crime. A stolen stash of drugs worth two million dollars sets off a chain of events that sends Mauri and his partner, the charismatic Maresciallo Nicola Capece, on a perilous mission. The city itself becomes the stage for breathless chases and explosive confrontations, with Tarantini masterfully using Naples as a backdrop to underscore the film's gritty atmosphere.