Season 1 - Episode Guide

Lt. Mike Torello, the head of Chicago's Major Crime Unit in the early '60s, takes a personal interest in a case involving the son of a close friend who gets mixed up with a mobster.

Lt. Mike Torello's pursuit of Ray Luca gets personal when the son of a close friend gets mixed up with the mobster.

A psychopathic killer becomes the Major Crime Unit's top priority; Torello learns of Luca's plans for a nationwide sports-betting operation; Julie wants to start a family.

Torello introduces himself as a "friendly" cop to one of Luca's burglary crew after the crew's new man kills a woman; and the Torellos get some good news.

To ensure his takeover of a sports-betting operation, Luca sends Holman to St. Louis, where a politically motivated sheriff is overly friendly to Holman's MCU tail.

Luca's superiors blame him for the debacle in St. Louis, prompting him to seek advice from Abrams; Torello leaves a gift for Luca after the MCU halts his truck hijackings; Julie enters the hospital.

A reporter helps Abrams in his defense of a tenant who assaulted a slumlord; Torello promises a despondent Julie a vacation.Lucca realises Bartoli knows Fosse has been skimming the casino's profits

The Torellos take what may be their last vacation; the FBI corners Holman in Toledo; Weisbord's expansion plans include Torello's war buddy.

A lawyer thinks Torello is involved with Kehoe and Luca, who moves to have an indictment against himself and Bartoli quashed.

Torello mourns his loss, then searches for Holman; Susan is attacked while doing a story on heroin; Luca declares himself the sole Chicago fence.

A small town honors the MCU after the bust of a jewelry-heist team connected to Luca; Krychek takes a special interest in one of the busted henchmen.

Mike Torello's obsessive pursuit of Ray Luca is recalled through flashbacks.

Torello has to split his men up when a woman is held hostage by a crazed gunman just as Holman is spotted in an Indiana diner.

The Feds buy Holman's claim that Torello is a dirty cop; Joey interrupts Luca's visitors; Luca learns Holman may still be a legal asset despite causing his impending indictment.

Torello is subpoenaed upon his return from the West; Luca can't coax Abrams to his side; Weisbord's future plans are challenged by others wanting profits now.

Abrams helps Torello with his testimony about Holman's charges; Weisbord calls a council to deal with dissenters; Luca says his goodbyes.

Torello asks a debtor being strong-armed to help him link slot-machine skimming and loan sharking in the casinos to Luca.

Luca tries to install his candidate for union president during a strike; a former employee crosses Luca's path; Torello thinks there's a traitor in his ranks.

Torello's relationship with the ex-wife of one of his men uncovers disturbing information about the man, who allows a slip in the force's security.

Luca sends Taglia and Holman to sabotage a neighboring casino; Torello's inside man witnesses actions that could bring Luca down.

The now aggressive strike force manufactures dissension within Luca's ranks and takes advantage of his excesses.

Torello anticipates a move by Luca to get to Taglia or the jury. Later, Torello heats things up between Luca and a hood who, with Weisbord's support, tries to move in on his turf.