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.

Torello follows a crazed killer into Mexico, unaware his quarry will lead him to an arms-for-drugs operation run by an alive-and-well Luca.

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.

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

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.

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

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

The Justice Department tries to deal with troubles at a new nightclub - including bombings, extortion, and racial threats - owned by a beautiful black woman.

Torello cannot identify the source of a money-laundering operation. Clemmons reveals his suspicions about Iris's new casino partner.

A Chinese agent dupes Torello into looking for her father while she smuggles plutonium out of the country.

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

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.

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.

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.

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

Torello and his men chase Luca to Mexico where they will get no help from the US Government.

Torello and his men save Danny from certain death while Luca is told by a top military commander that he is nothing in Mexico.

Torello and his men catch up to Luca in Mexico and force him to escape but they all get trapped inside a pilotless airborne plane.