底特律警探馬蒂·金斯頓，是地下毒品組織的臥底，組織的成員陸陸續續被謀殺。為了解決此問題，他與一位驕傲而年輕的警探合作。然而，他們被所發現的腐敗真相而徹底震驚了...　　Ray Liotta (Goodfellas) delivers an intense, electrifying performance in this explosive follow-up to the gritty urban crime thriller Street Kings. Liotta plays Detroit detective Marty Kingston, the leader of an undercover narcotics team, whose members are being systematically murdered one by one....