In the Season Three finale, a reticent Avon readies his troops for a seemingly endless war against Marlo. Meanwhile, as the detail works towards the top rungs of the Barksdale organization, McNulty reassesses his pursuit of Stringer Bell and the path he's chosen for himself. While Royce continues to grapple with Amsterdam, Burrell offers a deal to minimize the fallout, even as Colvin's idea becomes public knowledge. Carcetti's ambition becomes obvious to his friend and fellow councilman Tony Gray, even as Gray has disclosed his own political plans. Cutty struggles to keep his young boxers off the corners, as he and Fruit cross paths once again. Bubbles offers his view of the world, both as it is and as it once was.