Megan Anderson

Stringer Bell gets a lesson in construction management, Donette receives Brianna's blessing for hooking-up with Stringer, and Daniels keeps up the front of marriage to Marla, as she pursues a new career at City Hall.

Herc discovers a blast from his past, which he later reveals to his colleagues. Daniels becomes enraged when he finds out that his detail was reassigned. Stringer Bell finds out from old girlfriend Donette that Brianna might contact McNulty with details of her son D'Angelo's death.

Four West Baltimore boys wrestle with what to do with the rest of their summer vacation as the new school year approaches.

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.

Avon readies his troops for a war against Marlo. Meanwhile, as the crew works towards the upper levels of the Barksdale organisation, McNulty has doubts about the path he's chosen for himself.

McNulty and Greggs embark on a road trip; Carcetti confronts a hurdle; Marlo appears to take the bait.