Benson and Stone work to help a girl, who is rescued from a sex trafficker, reunite with her mother; Rollins prepares to give her relationship another chance.
The culture of a neighborhood stonewalls the Intelligence team's investigation into a homicide; Upton is questioned about Ruzek's altercation with a suspect.
The team searches for a drug dealer when a family is shot to death in their home; the case takes an unlikely turn when McGrady dies during the investigation.
After several gang-related abductions transpire, Intelligence races to find a kidnapped boy, which leads them to track the suspects to a former Army Ranger.
When a friend of Voight is discovered passed out in his hotel room with a dead Ukranian girl, Intelligence finds out that the murder is linked to a sting.
The death of a well-known judge's daughter leads Intelligence on the path of an opioid ring; Voight finds out who has been revealing details from the 21st.
While investigating a call about an incapacitated victim, Sylvie Brett witnesses a murder and is warned not to tell the police, leading her to seek help.
Ant-Man and Wasp decide to explore an alternate realm and discover that Antman's daughter, along with the Wasp's mother and father are intertwined in the realm.
Andrea Canning presents a report on the murder of an Army captain who was found stabbed to death in her El Paso home after returning from a mission abroad.