Bernard and Cosgrove investigate the murder of a congressional candidate. ADAs Price and Maroun contend with an extremist plot hellbent on thwarting the candidate's agenda by any means necessary.

After Hudson Moore is found bludgeoned in the back of the Babes Being Bad bus, suspicion initially truns to the company's creator, Chris Drake, until video footage leads detectives to a young woman who was with Moore the night that he died. After concentrating their investigation on the young woman, the reasons behind Moore's murder soon become apparent, and McCoy and Rubirosa struggle to prosecute a man who, while not directly responsible for the murder, may have been responsible for the incidents that led up to it.

The murder of an off-duty NYPD detective threatens to tear the city apart; Cosgrove mourns the loss of a friend and asks Capt. Benson for help solving the case; McCoy and Price disagree on how to prosecute the culprit.

Greevey and Logan's investigation into a black teenager's claim that she was raped by white policemen is hampered by a publicity hungry, black politician who will not grant the detectives access to the victim.

The death of a man with AIDS appears to be the work of a serial killer who may have been motivated by mercy.

Green and Cassady investigate after the photograph of a dead woman is found on a popular website, B-Frendz.com. Their investigation leads them to a mentally disturbed young man whom the teenage daughter of the victim claims kidnapped and raped her, but his lawyer offers up an even greater incentive -- the supposed kidnapping victim, Molly Preston.

The COO of a major tech company is found murdered in Central Park. Price and Maroun work to untangle a web of deceit to expose a cunning narcissist.

Newly acquainted partners Bernard and Cosgrove investigate the murder of a notorious entertainer. A dispute over throwing out a confession creates a rift in the DA's office.

Bernard and Cosgrove are confronted with several suspects in the shooting of a headmaster at an elite private school. A teenager's life hangs in the balance as Price and Maroun debate who's more culpable - the shooter or the enabler.

In the wake of a murder on campus, the line between free speech and hate speech at a university is examined.

After Eric Khabaly is seen being murdered on tape in what appears to be an American movement against Islam, Green and Cassady investigate the case which leads them to Khabaly's cousin, Ben Faoud, who appears to be connected to a terrorist cell functioning inside New York. Unfortunately, the best link to Faoud appears to surround a recent shipment of uranium, which McCoy and Rubirosa are forbidden to mention by the federal government. When news of the uranium leaks out, McCoy and Rubirosa find themselves the victims of intense federal scrutiny, and Paul Robinette's vigorous defense of young Faoud doesn't help matters.

When Carl Mullaly is discovered murdered in his apartment, Green and Cassady learn that he had recently been profiled on HardFocus, a tabloid talk show that exposes sex offenders who are caught via the ScumWatch website. With an eight-year-old girl as the only eye witness, detectives arrest the murderer, but McCoy and Rubirosa soon learn that HardFocus is a lot more involved than they claim.

The shooting of university student Jason Miles at a political rally hosted by controversial speaker Judith Barlow leaves any number of suspects, but after Green and Cassady prove that two of the people they've questioned are lying about their alibis, they turn their attention to Malcom Yates, a grad student who claimed to be with Jason's girlfriend at the time of his death. McCoy and Rubirosa realise that Yates went after Barlow because of her open criticism of stem-cell research, something that Yates had high hopes could help find a cure for his own Parkinsons.

After an actress is found dead in her apartment, Green and Cassady attempt to prove that her death was not a suicide.

Bernard and Cosgrove must sift through fact and fiction to find the killer of a young Manhattan socialite. The murder trial takes a turn that becomes personal for Price and puts Maroun in a compromising situation.

Cosgrove and Shaw investigate the murder of a family physician whose outspoken politician wife suspects she was the intended target. Price and Maroun's case hangs in the balance when the defense calls one of the doctor's young patients to testify as a witness.

When a young woman dies during a hectic emergency room night shift, her father claims the hospital was negligent, and an investigation leads the detectives to believe that the doctor treating her may have been drunk on duty.

When a building is set ablaze, a girl must be identified despite her fatal burns. Through further investigation, it turns out that an extreme environmentalist group struck the match...

A reverend confesses to the murder of a young gay actor, but McCoy and Rubirosa soon learn that he may not be the guilty party.

When the CFO of a Fortune 500 company is found strangled in her home, Bernard and Cosgrove work to connect multiple dead ends to find her killer. The prosecution is faced with an uphill battle as McCoy and Price butt heads over a choice that could cost them the case.

A city arts commissioner and a socialite come under investigation when an artist noted for his sadomasochistic themes is found dead under suspicious circumstances.

Police start a citywide manhunt for a man suspected of killing a cop during a rooftop pursuit.

An assailant breaks the wrist of a tennis player prior to a tournament, and a competitor is among the suspects.

The case against Huey Tate, a young man accused of shooting the well-known leader of the African-American Congress comes undone when the New York authorities learn that their chief witness was once an informant for the FBI, and is still under their protection.

The death of a lab technician and the abduction of 17 infected monkeys lead to a trial involving the treatment of research animals.