Bobby J. Brown

Dan and Amy attend a book launch; Selina views a charismatic war hero as a political threat; Gary and Amy discover that Selina has a lover.

As McNulty and the detail continue to stake out Marlo's crew, newly-elected Mayor Carcetti is finding he is stuck between keeping his promises on education and his promises on law and order.

Marlo takes care of some unfinished business and strikes a deal with Avon Barksdale. Meanwhile, Mayor Carcetti's chief of staff blames Royce for the Campbell revelation.

Marlo tries hard to win the favour of the Greeks.

Bubbles identifies a witness for Herc. Colvin offers an incentive. Andre seeks help from Proposition Joe.

Baltimore's renewed police commitment brings fresh recruits to Daniels, and Carcetti is forced to make a dangerous political deal. Meanwhile, Haynes approaches Templeton about his sources.