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).

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 young model is raped by a renowned fashion house photographer, who looks to his successful brother to make the charges disappear.

A teenager disappears after schoolmates make her the subject of a vicious cyberbullying attack.

As a string of break-in assaults grows more violent, the cops investigate an online incel group to identify a suspect.

The SVU faces the fury of social media fans when they arrest two popular influencer brothers.

Rollins and Fin investigate an assault in Kentucky that has striking similarities to a victim found in Central Park. Benson receives intel that turns the case upside down.