When an HIV-positive male, with a record of assaulting underage girls, is discovered in a sexual clincher with a young woman on a rooftop, the detectives are determined to put him back inside. After a series of rapes and murders of young African-American women cannot be traced to him though, they begin to wonder if they've been looking at the wrong suspect.

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 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.

The Detectives investigate the rape of a woman who's been in a coma for a year, and after eliminating a huge pool of suspects, they make a startling discovery.

A 14-year-old girl tries to commit suicide by jumping in front of a train after she is raped. She falsely accuses an ex-boyfriend but when the search turns to her dysfunctional family, surprise discoveries are made and SVU discovers that the family is even worse off than they thought.

A psychiatrist with unconventional methods is found sexually assaulted, unconscious and near death in a crack house. It's easier said than done to get her to cooperate with the investigation as they are hampered by doctor-patient confidentiality as she may have been attacked by one of her patients.

A wealthy toy mogul is the suspect of the sexual abuse of a child. His prosecution impeded by the child's parents who refuse to produce their child for questioning to avoid losing the millions paid through a non-disclosure agreement, and by the discovery that a second accusation was falsified in an attempt to extort a settlement.

A boy is accused of being molested after his soccer game, but he doesn't admit to it. His principal and his soccer coach are the prime suspects.

The detectives and the district attorney get played first by the teenage murderer of a young boy, and then by the victim's father, who uses his professional expertise to escape punishment for avenging his son's death.

When the body of a seven-year-old child is found, the squad again begins to investigate convicted serial killer Lucas Biggs, believing that he molested and murdered the boy. While Biggs can detail every child he ever molested, he swears that he has no memory of this one. Further investigations show that there is another suspect, but before he can be picked up, someone picks him off.

Benson saves April Troost from committing suicide, but feels responsible when Troost dies during the trial of the man she accuses of raping her and getting her pregnant. It isn't long before detectives learn that Barclay Pallister wasn't the only man April picked up in a bar who has no recollection of sleeping with her, and the squad realizes that Troost was no victim. Their search takes them from prospective parents looking to adopt her child to the men she drugged and accosted to the sperm center she used to work at, which ends up at the center of the case.

This crossover continues on Law & Order S16E02 Flaw (II).

Monica Phelps is found dead in her apartment, her son Nathan hiding in the closet behind her body. Detectives soon link Monica's death to philanthropist Ted Carthage, who runs an organization dedicated to helping people get off the streets. Benson is certain that Carthage is the killer, but a shaky ID from Nathan puts him back on the street. After Nathan kills Carthage himself, Sophie Devere argues that Nathan committed the killing because he saw Carthage shoot his mother -- something the gun manufacturers don't like.

After Jamie Hoskins falsely accuses two classmates of rape after a consensual act then hits nine pedestrians during an attempted suicide, medical tests reveal she has been taking medication for bipolar disorder and stopped her pills a week earlier. Jamie is charged with murder and released on her own recognizance after she agrees to take her medication, but after rock star Derek Lord, who is well known for his negative views on psychiatry, gets involved and begins spearheading her defense, Jamie again stops taking her medication. Novak is sympathetic to Jamie, but Jamie's insistence on following Derek Lord's advice leaves Novak with no choice but to take the case to trial.

After a mother and her ten-year-old daughter are found raped and butchered in their apartment, Stabler and Beck take in a homeless man who turns out to be Munch's uncle, Andrew. Initially he's their main suspect until they find their way to a new suspect. Unfortunately, when their only evidence against Brent Allen Banks is thrown out in court, Andrew, suffering from mental illness, goes too far trying to do what he is convinced is the right thing.

Stabler and Benson find themselves on opposite sides when Valerie Sennet accuses her estranged husband, Miles Sennet, of breaking into her home and raping her. Because Miles has no history of violence and Valerie refuses to allow detectives to use her daughter Tessa as a witness, he is soon released, and Stabler and Benson continue to clash as Benson remains convinced that Miles raped Valerie and is a danger, and Stabler believes it may be a case of a wife crying foul to punish her soon-to-be ex-husband.

Stabler seeks Kathleen's help when investigating a case involving teenage alcohol abuse.

A woman's body is found murdered in a park alongside a man with a bullet in his head - Benson and Special Agent Cooper join forces and suspect "The Woodsman", a serial killer Cooper has tried to catch for years. Lake and Benson begin to question Cooper's true motives when the male victim is later identified as "The Woodsman".