Critically acclaimed Baltimore police drama. McNulty and the detail continue to stake out Marlo's crew. Carver has been promoted and has to deal with police unhappy about unpaid overtime. Mayor Carcetti tries to keep his campaign promise to lower crime, but has promised all his money to the schools. Meanwhile, city editor Augustus 'Gus' Haynes and the staff of the Baltimore Sun newspaper, reeling from corporate cutbacks, look into a story linking a politician to a drug dealer.