The team tries to find a bike messenger -- who has kept a video diary of his troubles with women -- before he can commit another violent act; the new deputy chief calls Benson's leadership into question.

A college student becomes a target after her work as an online porn star is discovered by her classmates.

A serial rapist strikes in several cities where the rape kit backlog stalls the investigation.

When a professional relationship crosses the line, Detective Rollins must face her past to support another female officer.

A malnourished toddler is found wandering and leads police to another ill child from the same home. The investigation eventually lands the Department of Child Services in hot water. Meanwhile, Chief Dodds tells Benson to expect some changes at her squad.

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.

Two high-profile suspects are arrested in the takedown of an online pedophile ring following a sting operation.

When a lack of evidence leads Barba to drop rape charges against a popular actor; Rollins takes matters into her own hands.

When one of their own is implicated in a cover-up, the SVU struggles to unravel a sex trafficking operation deeply-rooted in government offices, the police department, and the Catholic Church.

When the investigation of Corrections Officer Gary Munson deepens, he and his union take drastic actions that threaten the lives of ADA Barba and the SVU squad.

A young boy is found wandering alone in Central Park and the search for his parents leads to startling evidence of a planned mass casualty event in the city. As the SVU works with the joint-terrorism task force to find the suspects and the motive, Lt. Benson must also convince Barba to address allegations of rape and torture the boy's mother discloses.

Benson and Barba ask witnesses to put their jobs on the line after a news anchor makes an on-air disclosure of rape against her boss.

A hate crime is committed against a Muslim family, resulting in the death of their daughter. Things get complicated when a crucial witness in the case is deported, forcing Barba to drop the charges against a suspect.

In the 18th-season finale, two families seek justice for their loved ones in the wake of a suspect's unexpected release. Soon, public protests on the matter escalate to violence, leading Benson to go to desperate lengths to make an arrest.

Emotions run high as the SVU squad embarks on a frantic search for Benson’s missing son.

When an airline pilot accuses her captain of sexual assault, Barba convenes a Grand Jury to determine their employer's complicity in the crime. Meanwhile, Fin takes steps to ensure Benson is protected at work.

When defense attorney Nikki Staines is raped after a police charity event, Benson reluctantly looks to her own for a suspect.

The SVU searches for two suspects spotted fleeing the scene after a Muslim woman is assaulted inside a synagogue. Meanwhile, Benson is dismayed to find Rob Miller out on bail.

When an actress accuses a high-powered media mogul of attempted rape, Benson finds herself in a high-stakes game of cat and mouse. Changes in the squad room put Carisi between a rock and a hard place.