Two people are found murdered in the park, including an animal rights activist who has been raped and then decapitated. Benson and Stabler must determine which of their two main suspects -- a sociopathic teenager and a recently paroled rapist -- is responsible for the murder.

A woman is found raped and killed by her car. Then, a similar rape is committed and the victim says that a police officer raped her after pulling her over for a supposed driving violation. This leads police to look at one of their own, until they realize the suspect is not who they think he is.

Detective Stabler and Dr. Huang question a convicted serial killer on death row, hours before his execution, with the hope of solving an old murder case for the sake of the victim's parents. The investigation goes haywire with mixed results.

A rebellious 16-year-old teenager is raped and murdered; the case becomes complex when they learn that her stepfather is a judge with whom she has had major problems.

Investigating the rape of the wife of a restaurateur during a robbery, leads the detectives to a similar assault, and to a locksmith.

A family portrait painted by a kindergartner leads the detectives to investigate her mother for child sexual abuse of her teenage stepson. When the boy's father is found murdered, the focus of the investigation shifts to the boy -- and his stepmother goes to great lengths to protect him and prevent the detectives from learning the truth.

Detectives try and solve the gruesome murder of a sexually molested five-year-old girl whose killer, a serial pedophile, has an obsession with dolls. They race to save the life of his latest victim.

A six-year-old girl is critically injured in an apparent robbery-gone-bad and later dies. The investigation gets complicated when it is discovered that the murders were designed to silence the young girl, who was sexually abused.

An infant ingests pure cocaine disguised in baby formula, uncovering a complicated narcotics ring with unlikely participants and the entire squad goes undercover to flush them out.

A Tibetan woman who was tortured in her home country is found murdered, with her foot missing, and after an exhaustive search of potential suspects, the killer is a victim of torture himself.

A female party-goer and rape victim claims self-defense after killing her attacker. Events take an unusual turn when they find out that the victim is a pre-operative transgender.

A woman with a high-risk pregnancy disappears and her ex-boyfriend, who's the father, and engaged to the boss' daughter, is under suspicion. In a race against time to find her as her delivery date approaches, Benson and Stabler are faced with more than one suspect willing to take the fall for the crime.

A schizophrenic homeless man kidnaps a boy he thinks is his son, murdering a man in the process. In resolving the case, with Dr. Huang's help, a private mental health facility is brought into question.

Benson and Stabler have trouble identifying a male murder victim in his 20's found in a pile of sheets in the West Village; they later suspect an outspoken minister who was in the process of flooding the victim with hate mail and death threats. When the activist's alibi checks out, the detectives turn their attention to a professor who objects to the victim's thesis on the failure of sexual re-education groups.

The investigation into the death of a pregnant high school student exposes a long-held family secret, which precipitates yet another violent death and eventually the destruction of two families.