The special victims squad tries to take down a sex-trafficking operation that enslaves young women; when the investigation is halted by Lt. Alexandra Eames, Detective Benson has to get creative.

As the detectives investigate reports of sexual abuse at an elite private school, decades of secrets are exposed.

The detectives go under cover to arrest a man who brutally attacks other men; a deceptively tough defense attorney complicates ADA Barba's case.

A woman claims that Brian Cassidy raped her while he was working under cover; when Cassidy and his lawyer utilize surprising defense methods, Detective Amaro is affected.

When two sniper attacks on the NYPD link to Detective Tutuola's past as a narcotics officer, he reconnects with his former partner in hope of finding a motive.

A Chicago crime resembles a decade-old New York City case, so police from Chicago arrive and team up with the squad to track down a suspect they had to release earlier.

The crossover starts on Chicago Fire S03E21 We Called Her Jellybean (I) and Chicago P.D. S02E20 The Number of Rats (II).

Detective Carisi lives undercover at a homeless shelter to determine if one of its sex offender residents is the suspect in a string of neighborhood rapes.

The powerful family of a retail empire closes ranks when a bartender accuses one of their own of rape.