An overzealous senator outrages crime bosses by subpoenaing them to appear before an organized crime commission. An actress with a shady past falls for Torello.
Torello confronts his feelings for Julie when she asks him to rescue her kidnapped husband, who is a doctor forced to tend to one of his injured kidnappers.
The Senterros, a family of Mexican cattle ranchers, controls the marijuana trade, so Torello's unit sets up a sting operation, but detective Joey Indelli leaves to try to save a callgirl from her sadistic pimp.
Luca returns to Vegas with immunity to work for the US Government, causing revenge-minded Abrams to resign in frustration and Torello unable to get near Luca.
An investigator searching for a man's girlfriend, who happens to be Weisbord's granddaughter, is murdered before he gives information to Torello. Luca offers a drug-addicted Abrams a position on his staff.
The Justice Department tries to deal with troubles at a new nightclub - including bombings, extortion, and racial threats - owned by a beautiful black woman.
In a dream Paulie recounts his and Luca's survival of the atomic bomb. After nearly perishing in the blast, Luca and Paulie are taken into federal custody. Delirious from his gun shot wounds and the blast Luca becomes totally on Paulie for their escape. Receiving aid from a federal agent in Manny's employ Paulie rises above his usual persona as he attempts to extricate himself and Luca from their current situation.
