Logan and Briscoe begin their investigation into the death of a hearing-impaired young woman by questioning her two most recent boyfriends.
The statement of a drug dealer who survived a shoot-out that killed a cop leads Logan and Briscoe to suspect that the cop died because he was gay and his fellow officers were reluctant to back him up.
When a Romanian immigrant kills, his lawyer announces he will plead his client "not guilty due to cultural insanity" claiming the man had been conditioned to violence in his homeland.
While investigating several deaths at a diabetes clinic, Briscoe and Logan discover that teenage computer hackers may have tampered with the clinic's medical database.
The initial investigation into the death of a research scientist leads to an animal-rights group until evidence surfaces that her husband's affair with a coworker may point to a possible motive for the murder.
Stone and the police battle the closed ranks of the Navy to investigate the death of a female Naval officer during a party in a Manhattan hotel.
Stone battles the Brooklyn DA's office over prosecutorial jurisdiction in the case of a mentally handicapped man who confesses to the stabbing deaths of two women.
The absence of a murder weapon complicates the investigation into the murder of a drug addict who stole from her family to support her habit.
The investigation into the murder of a young physician leads to the discovery of an unorthodox and illegal relationship between her fiance and his psychiatrist.
The confession of an elderly man that he assisted his wife in committing suicide doesn't fully satisfy Stone when rumors surface that the man was once a Nazi collaborator.
After Stone accepts a plea bargain from the much younger and poorer lover of a wealthy older woman found murdered in her apartment, he begins to have doubts that he has sent the right man to prison, especially as he learns more about the attorney who handled the woman's estate.
The apparent abduction of a little girl by her natural mother becomes complicated by charges of sexual molestation.
An engineer and a tribal chief become the chief suspects in the death of a Nigerian woman who died while smuggling heroin internally.
Logan gets a new partner and Stone faces an old friend from law school as they investigate a woman's claim of self-defense in the shooting death of a small time hood.
Cerreta poses as a weapons dealer to help Stone build a case against a Columbian hit man, but the deal takes an unexpected turn, resulting in bloodshed.
Cerreta and Stone find themselves on opposite sides of the fence when a storeowner kills two robbers and then claims self-defense as a justification.
Dr. Olivet accuses her gynecologist of rape, but Stone finds his case in trouble when he discovers that Olivet tape-recorded the crime.
The discovery of a young woman's body in the river leads to an investigation of illegal sweatshops and the enslavement of young immigrants.
A teenager's fatal heart attack is traced to fraud and greed on the part of the manufacturer of his pacemaker and their supplier.
A priest-turned-lawyer uses race and class as the basis for his defense of a young Mexican man who murdered his wealthy girlfriend after she broke up with him.
The assassination of an African-American leader leads to the arrest of a man whose ex-wife was suspected of having an affair with the victim.
When a sleazy photographer is murdered, his models appear to be the most likely suspects.
