A book intercepted by Torello jeopardizes Luca's nationwide gambling operation. The Torellos meet with tragedy.

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.

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.

Attorney Abrams falls for a reporter helping him defend a tenant accused of assaulting a slum landlord.

After Manny is stricken by a heart attack, Luca demands that he be the first heart-transplant recipient. Max convinces Steve to put a hit on Luca.

The Justice Department must deal with crooked cops and feuding brothel owners when Pauli's prostitute-girlfriend is murdered.

Torello's writer-friend plans to take down Luca by exposing him in an article.

Conflict ruins the Torello's weekend trip. Luca situates in Las Vegas. Bigots target Abrams's relationship with Susan.

Torello confronts his new friend, now laundering money for the Mob. Federal investigators indict Luca and Bartoli.

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.

Devastated by Kehoe's death, Torello stonewalls Breitel's federal investigation. Abrams joins the MCU on the street.

A Chicago thug, preparing for the heist of a Las Vegas casino, shoots Krychek on the eve of Torello's birthday.

In return for the man's testimony, Torello offers government protection to a Chicago mobster with a contract on his life.

While escorting a prisoner and his girlfriend, Torello is trapped in the desert and stalked by corrupt lawmen who want the prisoner.

Luca is finally brought to court on racketerring charges but the trial is postponed when a military emergency happens in Vietnam.

Mobsters support Luca's nationwide gambling scheme. A publicity-seeking sheriff hampers Torello's arrest of one of Luca's men.

Divorced Torello finds comfort with Inger. The Crime Unit nabs Luca's jewelry-heist team. Torello's best friend supplies the Mob with capital.

Indelli and Krychek must deal with a tense hostage situation. Torello travels to Indiana to make his move on Frank Holman.

A defecting Soviet pilot becomes custody of the Strike Force, which learns of plans to use him in a spy swap.

Torello gains a major advantage when one of Luca's burglars is connected to a robbery-homicide of a coin collector's wife. Torello finds out Julie is pregnant.

Torello is subpoenaed to testify for Luca. An enraged Abrams jumps to Torello's defense. Luca orders Torello and Abrams killed.

Torello and Krychek join the Federal Task Force planning to raid Luca's new gambling business in Las Vegas.

Luca's greedy ploy to take over another casino puts his entire gambling empire in jeopardy.

Luca falls for an actress in a movie he is financing and discovers she is more than even he can handle.