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

After an attack on Carisi's trial, signs of a new gang player make Stabler contact an old C.I.

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

Eli's career is questioned; leadership at the Camorra falls apart and violence ramps up.

With one of Mexico's biggest players back on the streets, Stabler is pulled back underground.

A new wave of art activism puts Vargas in the hot seat; Stabler is brought into a new unit.