An urban epic set in Baltimore, where police detectives investigate cases involving the illegal drug trade, the seaport system, the city government and its bureaucracy, the school system, and the print news media.

The heat is on in Baltimore. The drug war is being lost, bodies are piling up, and a desperate mayor wants the tide turned before the election. But no matter how hard McNulty and the detail try, the dealers always seem to be one step ahead of the game. Contains twelve episodes.