A "hard case" is also defined as "a person who is persistently insolent or difficult to control", and may refer to the repeated issues McNulty, Greggs, and Daniels have with being kept from real police work. Along this same line, the title could also apply to Ziggy Sobotka.
If I hear the music, I'm gonna dance. - GreggsGreggs makes this statement about her inability to return to investigative work without becoming fully involved.
Although credited, Seth Gilliam does not appear in this episode.
The detectives make their way to the docks anyway and try to get Thomas "Horseface" Pakusa to tell them more about the container. He hides behind his union representation and refuses to accompany them to their offices. Later, Beadie Russell shows them Delores's bar and they hassle both Horseface and Frank Sobotka. Frank is terrified of this new attention from law enforcement and vomits in the bathroom.
Officer Jimmy McNulty continues to try to identify the girls. He uses the photo he matched to the girl he pulled from the harbour to identify her clothes in the evidence. He discovers a letter amongst them and has a foreign national translate it for him. He learns the girl's first name and a little about her family.
He meets with Kima Greggs and persuades her to join the detail despite Cheryl's desire for her to work a desk job. Kima jokes, "I'll tell your wife if you tell mine," referring to the protest that their partners will have regarding the investigation. Cheryl and Kima's differences are brought to the fore when they are stuck behind a car of drunk adolescents and Kima cannot fight her impulse to arrest one of them. Daniels and Marla also have different outlooks on the detail's merits, and she storms out of dinner after he tells her about it. Kima gets the same reaction from Cheryl.
Colonel Rawls allows Daniels to take all of his choices except for McNulty. Rawls is still hateful of McNulty's acts of disloyal and insubordinate behavior during the Barksdale investigation demanding that McNulty drowns or quits before he leaves the marine unit. Rawls comments that Daniels must be desperate to get out of evidence control to take a case involving the rivalry between Valchek and Sobotka. Daniels later meets with Valchek and he explains his premise for the investigation and drives him to the facility. Valchek also thanks Daniels for his mentoring of Prez and then describes the I.B.S. workers they are investigating as dishonest thieves. Thomas "Herc" Hauk and Greggs accompany them and are reunited with Roland "Prez" Pryzbylewski. Valchek offers anyone from the Southeastern to Daniels and Herc reminds him that Carver is now there.
Bubbles and Johnny later get stoned in a crack house and ask around about Omar. Kimmy, one of Omar's new crew, is also there asking about their next target and overhears Bubbles's enquiries. Omar catches up with Bubbles on the street as he steals scrap metal.
Avon works with Maurice Levy, his attorney, to negotiate a reduction of his time until his first parole hearing to one year in exchange for information about the deaths. Despite the investigator's suspicion that Avon was directly involved and responsible for the bad package, they agree to his deal. Once the deal is in place, he informs on Tilghman and the investigators discover the narcotics that Stringer had planted in Tilghman's car.
Nick delivers his cousin Ziggy Sobotka's share to him at Delores's bar. He warns him not to flash the money around and lets Ziggy know that his father (Frank) knows they stole the truck. Nick spends the night with Aimee, but asks her to leave through the back so that his "decent" parents do not find out.
Ziggy cannot control his spending and buys a two thousand dollar leather coat. Nick and Ziggy meet with George "Double G" Glekas again and he asks them to acquire chemicals for him. Ziggy takes the list to Johnny "Fifty" Spamanto, their connection in the checkers, and he points them to a contact in another area. Ziggy is accosted by Maui, another checker, as he leaves, who castigates him for stealing from the docks. Ziggy later gets his revenge by littering Maui's computer terminal with photographs of his genitals. Frank catches up with his son, cuffs him on the head, and sends him home.
Nick tells Aimee that he has come into some back pay and suggests they look to buy a property in the neighbourhood. He also talks to his mother having had a successful day's employment at the docks and goes to bring his father home for dinner. His father retired from the shipyards when they closed, and now spends much of his time drinking at the local pub.