Stabler must deal with rapid changes at work and home after returning from a dangerous undercover assignment. Bell hires an advisor whose AI technology program could revolutionize police investigation. Jet and Reyes struggle with Whelan's absence.

Stabler and Officer Bashir track down a missing father and son who could lead to the answers they need. After an undercover operation goes sideways, Bell relegates Reyes to desk duty.

A rescued victim from Stabler's past goes missing. Bell recovers in the hospital while Jet, Reyes and Bashir are all questioned by IAB. Joe Jr. shows off his new career path.

As Bell and the squad come up with a plan to bring the Westbrook case officially into their jurisdiction, Chief Bonner struggles with unanswered questions about her past and her beloved town. Stabler learns the outcome of his IAB investigation.

The team works to take down a large-scale drug operation disguised as a local honey farm. In Stabler's absence, Randall searches for Joe Jr. on his own and ends up in a bind.

Stabler and Randall give Joe Jr. the choice to get clean or go to prison. Vargas and Jet's plan to cut off Emery's smuggling routes leads to a dangerous rescue attempt.

Stabler goes undercover to catch smugglers; as he gets to know the girls, they start going missing.

Stabler and Isabella work to find who is behind the Camorra; Reyes goes undercover with Los Santos.