'Ain't never gonna be what it was.' -- Little Big Roy

Det. Jimmy McNulty--exiled to police-boat duty--makes a shocking discovery in the Baltimore harbor. Bodie drives to Philly to make a connection for the Barksdale crew and Stringer Bell takes the train to New York to feel out the crew's reticent suppliers.

'If I hear the music, I'm gonna dance.' -- Greggs

Sobotka reprimands his nephew Nick for stealing the cameras and orders him to bring the cargo back--too late. McNulty is on a self-assigned moral mission to identify his floater, but his old partner, Bunk, says they have a more pressing matter at hand: to find Omar so he can testify against a Barksdale trigger man in one of last year's murders.