Susan Rome

When a sting operation goes awry, the police go after Barksdale's foot-soldiers once again. With one eye on the press, Daniels orders a city-wide series of raids, while Freamon discovers that there is a rat in the detail.

Daniels and McNulty attempt to continue the case, Freamon and Bunk try to trace a crucial call, and Pearlman and McNulty celebrate a break in the case.

The detail continues to hunt for the source of the union's money and starts monitoring container movements, Det Greggs tracks down a lead related to the murdered girls, and Stringer goes behind Avon's back to deal with the problem of D'Angelo.

Ziggy loses his prized Camaro to drug dealers who aren't buying his excuses about not paying up. Unable to dump the homicide investigation on other police agencies, Col Rawls identifies Det Moreland for the blame if the cases go unsolved.

With a bounty on his head, Omar calls in a favour from Bunk. The election finally over, Royce and Carcetti make their peace, and contemplate their respective futures, and at school, Prez tricks his students into learning maths.

Kelly and Sipowicz probe the kidnapping of a doctor's daughter; a woman and her son claim to have been robbed while hitchhiking.