Season 4
episodes
Lt. Barker recruits JC and Moreno to get the armored-car robber who killed Eddie and MacNamara.
Members of the unit target a modeling agent.
Agents interfere in an undercover operation aimed at a Colombian drug kingpin.
Missing teens prompt a probe of a private hospital's organ-donor program.
The detectives go undercover on Wall Street to foil a stock-manipulation scheme.
The unit probes mysterious fires in the garment district.
The detectives discover that the CIA is involved in a money-laundering scheme at a bank in a Cuban neighborhood.
A serial killer gives male victims tainted drugs.
Nell's ex husband comes back and ask's Nell for protection from the mob. Nina and J.C. become close.
Lt. Barker gets involved in a bank robery. G cathes Nina and J.C. in bed together.
Nina and Stone go undercover as owners of a garbage company. Nina and J.C. deal with their emotions of sleeping together and G catching them.
When a woman becomes a fugitive, Nina uses her only resource to help find her, her daughter. Stone's life becomes threatened.
A radical group kidnaps a child for bargaining purposes; Moreno gets even for the death of her husband and her partner when she meets Jordan in prison.