The investigation of the homicide of a young woman who recently had her leg amputated sends SVU into the strange culture of body modification.

When a rape victim is arrested for murder in Suffolk County, Detective Benson questions the case and finds enough evidence for District Attorney Barba to charge a different suspect in Manhattan.

Detective Rollins is contacted by a hometown friend when his son, a high school football star, goes missing in New York; Rollins seeks help with her escalating problems.

Three young girls' search for a mythical character leads to one of them becoming injured and the other two disappearing.

A measles outbreak delays arrests in a case involving pornographic photos taken by teens at a party. Meanwhile, Benson discovers that some kids' medical records may have been falsified after Noah gets measles; Amaro leans upsetting news about his son.

A violinist is raped by her colleague, but he doesn't remember committing the crime and claims he was drugged and robbed by a hired escort. Meanwhile, Rollins' mother throws a baby shower for her; and Sgt. Mike Dodds reports to work at the SVU squad.

A high school student plans a clandestine hookup with his female teacher but ends up in a far more sinister situation.

Amaro returns to ask the SVU for help in clearing a convicted man's name and brings a figure from Benson's past back into her life.

Carisi's niece helps a friend report a sexual assault. Benson investigates a college's secret society that preys on female students.