"Business. Always business". - The Greek

The detail has a setback. Russell and Bunk revisit Philly, looking for evidence. Brother Mouzone talks with Stringer Bell regarding their agreement, leaving Bell to contend with Avon Barksdale. McNulty and Greggs return to the Westside, where they discover new connections. Herc and Carver feel disrespected by fellow officers. Nick tries come to terms with the Greeks, and himself.

Carrie's high school boyfriend, Jeremy, calls Carrie and asks her to go to dinner with him. Carrie is plesantly surprised and begins to reconnect with him until he reveals the real reason that he's in town. Samantha is unable to get into a new SoHo club but soon finds away to get in. Charlotte and Anthony run into Stanford and Marcus, and at lunch, Charlotte reveals something that leads Marcus to break up with Stanford. Meanwhile, Dr. Leeds moves into Miranda's building and the two get closer.