New York Undercover - Season 4 (1998)

Missing teenagers prompt the unit to investigate a private hospital's organ-donor program.

The unit goes undercover on Wall Street to foil a stock-manipulation scheme.

The unit investigates a string of mysterious fires in the garment district.

The detectives learn that the CIA is involved in a money-laundering scheme at a bank in a Cuban neighborhood.

The detectives investigate a serial killer who gives male victims tainted drugs.

Nell's ex husband comes back, asking for protection from the mob. Meanwhile, Nina and J.C. grow close to each other.

The detectives tries to track down a serious serial killer who targets young men on the rave scene by giving them tainted drugs; G catches Nina and his dad in bed together.

The unit goes after the leader of a criminal empire who is extorting money from several businesses in Manhattan. The case gets personal for Barker when he is reunited with an old girlfriend. Meanwhile, JC and Nina try to find where their relationship is at after sleeping together.

When a woman becomes a fugitive, Nina uses her daughter to help find her; meanwhile, Stone's life becomes threatened.

Nadine Jordan, the accused killer of Torres and McNamara has been convicted of their murders and sentenced to life in prison which upsets Moreno. The District Attorney prosecuting a radical terrorist discovers that his daughter is kidnapped and held for ransom until the terrorist is released.