R. Emery Bright

Selina clashes with the Secretary of Defence during a joint appearance at a Marine Corps Base; Sue testifies at a Congressional hearing.

West Baltimore residents get some surprising straight talk at a community meeting from Maj Colvin, Bubbles finds employment, and Bunk promises immunity to a group of corner boys in exchange for a little help.

When a witness who testified against D'Angelo Barksdale is discovered murdered, McNulty and the detail take the opportunity to link the killing to Avon Barksdale's drugs crew.

The wire begins to yield information about the Barksdale organisation, though finding links to the top proves elusive, and Stringer and Avon reminisce on how far they've come, with each harbouring plans for the future.

Brother Mouzone returns to Baltimore on a mission of revenge and casts a wide net in his search for Omar, who has his own plan for vengeance. Colvin manages, for now, to put off a newspaper reporter inquiring about Amsterdam.

Herc discovers a blast from the past, Omar grapples with guilt, Bunk receives a gift-wrapped surprise, and McNulty tracks Terri to Washington.