Marlo Stanfield assumes Proposition Joe's position as The Greeks narcotics distributor in Baltimore. Stanfield is given a phone and is shown how to communicate with The Greeks without speaking by Spiros "Vondas" Vondopoulos. Stanfield continues to use Maurice Levy to launder money and gives Levy his new cell phone number. Defense investigator Thomas "Herc" Hauk copies the number after hours.
Chris Partlow tells his family he is going away and then prepares an ambush in "Monk" Metcalf's apartment for Omar Little.
Duquan "Dukie" Weems gets beaten up by Spider. Michael Lee takes him to Dennis "Cutty" Wise's gym to learn how to defend himself. Cutty tries to explain to Dukie that his intelligence gives him some prospects. Michael also tries to teach Dukie how to shoot but recommends that his friend avoid using guns.
Rupert Bond holds a press conference to announce the Clay Davis corruption charges. Nerese Campbell convinces Davis to take the weight of the charges himself and Davis begins a publicity campaign trying to discredit the charges as being based on his race.
Bubbles is concerned about serving food at Viva House and takes an AIDS test. He is disbelieving when he gets the all clear and Walon tells him to let go of his shame over Sherrod's death.
McNulty's serial killer case
Herc gives Marlo's cell phone number to his friend and old partner in the police department Ellis Carver. Carver delivers the number to Lester Freamon, but Freamon is unsuccessful in convincing Cedric Daniels to approach the Mayor and request a new investigation into Stanfield.
Jimmy McNulty invents more details about his fake serial killer and leaks the story to Alma Gutierrez who involves Scott Templeton. The resulting story draws some attention to the case and Daniels appeals to Mayor Tommy Carcetti for resources. Carcetti is reluctant to spend money on it and only Kima Greggs is assigned to assist McNulty. McNulty tells Greggs to keep working her own cases. Freamon approaches McNulty with Stanfield's cell phone number and the two decide to stage a phone call from the killer to give them probable cause for a wiretap. When Templeton fakes a call from the serial killer to his cell phone McNulty seizes on the opportunity to get the wiretap and the story takes the front page. Freamon sets up a disconnected wiretap in the homicide unit that they believe is monitoring the fake killer's cell phone while Freamon uses the court paperwork to set up his own wiretap on Stanfield's phone. Templeton is assigned to canvass the homeless but has little success and invents a family of four using one man's name.
Elena confronts McNulty about his failing relationship with Beadie Russell while Russell seeks advice from Bunk Moreland as she is not quite ready to give up on McNulty.
Omar spends several nights watching Monk's home with Butchie's friend Donnie, both are unaware of the ambush. Omar finally breaks in to the apartment when he believes Monk is alone. Donnie is shot and killed and Omar shoots O-Dog in the leg. Omar is trapped by a hail of fire from Partlow, Snoop and Michael and Omar jumps from the third floor balcony to escape. He is presumed dead, but when Chris, Snoop and Michael look down from the balcony, Omar is gone.