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.

Stabler leans into his military network to search for the source of a Middle Eastern heroin pipeline making its way to the U.S. Reyes returns to the squad.

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.