When a judge known for serving harsh sentences to juveniles is murdered, the team looks into his lengthy list of cases in the hunt for his killer. Also, Kristin faces family hurdles while resettling with her teenage daughter in New York City.

The team investigates the murder of a professional basketball player’s wife, who was a famous lifestyle guru. Also, Kristin and her ex-husband grow closer, and Special Agent in Charge Isobel Castille checks in with the team on the high-profile case.

While holiday shopping, Barnes and Jess are caught in the middle of a mall shooting, with the exits rigged so no one can escape. Also, Gaines, Hana and Ortiz try to help from the outside, knowing their team's family members are inside and at risk.

The team chases an oligarch who goes on a terror spree in New York City in a desperate attempt to escape his impossible situation.

After a heist in the Diamond District leaves three dead, the team's search for the fugitives reveals a dangerous connection to Kristin’s undercover past in Miami.