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.

With the fall of the Barksdale empire, and the ascent of a new young drug king in Baltimore, McNulty, Bunk and the rest of the detail continue to "follow the money" up the political ladder amidst a hotly contested mayoral campaign. Prez witnesses first-hand the role of inner-city education in the formation of youth as four students, Michael, Namond, Randy and Dukie, face dangerous decisions and adolescent angst in a city rife with the temptations...

Three years after Noah's shocking admission of guilt at the murder trial of Scott Lockhart, he attempts to restart his life, but the damage wrought by his past decisions has made him a ghost of his former self. Alison has been raising daughter Joanie alongside Cole and Luisa in Montauk, but Alison's past continues to rear its ugly head as Cole and Luisa attempt to build their own future.