The search for a young boy's parents after he is found alone in Central Park leads to the possibility of a planned mass-casualty event in the city; SVU works with the joint-terrorism task force to locate the suspects.
Olivia discovers that a case involving a troubled foster child is tied to a cold rape case from her past, and it could be the missing link that could help catch a serial rapist. Meanwhile, Olivia is haunted by her sexual assault in prison.
A teenager comes to SVU asking for help because he is having sexual desires for his five-year-old stepbrother. He says that he has not acted on his impulses yet, but not everyone believes that this part of his story is true.
SVU clashes with the Marines over jurisdiction in a case involving the murder in New York of a pregnant soldier who claims she was raped in Iraq. During the investigation, Benson has traumatic flashbacks of her sexual assault.
As SVU tries to recover a girl who was stolen from her home, the unit discovers that the victim's family is filled with con artists and career criminals--none of whom can be trusted or are beyond suspicion.
Detectives suspect that a murder suspect was thrown out of a window to his death, and their investigation focuses on the suspect's wife, her nephew who lives with them, and their unusual special relationship.
A former African child refugee's throat is slashed, and SVU connects the case to two former Ugandan war criminals--one a ruthless killer, the other a sympathetic former child soldier trying to change his life.
Stabler is forced to work on a serial killer case with an abrasive detective who has been on the case for months and would prefer to work alone. However, Stabler discovers that the detective's motivation is not glory and recognition.
An immature, irresponsible young mother is assumed to have killed her child, but it turns out to be part of a measles outbreak. A.D.A. Cabot then goes after the mother of the child who started the outbreak, who refused to immunize him.
A judge asks an odd request for a plaintiff who is seeking a restraining order: he asks detectives to interview a convicted serial killer concerning his son's kidnapping, which took place 30 years ago.