A saga set in 1960s Chicago follows a veteran detective, matching wits and wills with a ruthless street hood, ascending the ladder of organized crime.
S01:E01 - Pilot
Chicago's Major Crimes Unit, led by no-nonsense Lt. Mike Torello, suspects upstart mobster Ray Luca may be the mastermind behind a string of robberies. Meanwhile, Torello deals with the idealistic meddling of public defender David Abrams.
S01:E02 - Final Transmission
Torello and the crime unit must catch a killer terrorizing the city.
S01:E03 - Shadow Dancer
Torello gains a major advantage when one of Luca's burglars is connected to a robbery-homicide.
S01:E04 - St. Louis Book of Blues
Mob supports Luca's gambling scheme; a publicity-seeking sheriff hampers an arrest.
S01:E05 - The War
Torello intercepts information needed for Ray Luca's sports operation.
S01:E06 - Abrams for the Defense
Abrams and a journalist build a case against a racist slum lord.
S01:E07 - Pursuit of a Wanted Felon
Conflict ruins the Torellos' weekend away; Luca situates in Las Vegas.
S01:E08 - Old Friends, Dead Ends
Torello confronts his old friend, now laundering money for the mob.
S01:E09 - Justice Hits the Skids
Torello refuses to cooperate with an ongoing federal investigation.
S01:E10 - For Love or Money
Torello's relationship with Inger heats up as his divorce from Julie becomes final.
S01:E11 - Crime Pays
Obsessed Torello takes his fight against Luca all the way to the grand jury.
S01:E12 - Hide and Go Thief
Indelli and Krychek deal with a hostage situation; Luca overthrows Bartoli.
S01:E13 - Strange Bedfellows
After an attempt on his life, Luca takes refuge in Florida; Holman pinpoints Torello as a dirty cop.
S01:E14 - Fatal Crossroads
Torello is subpoenaed to testify for Luca; enraged Abrams jumps to Torello's defense.
S01:E15 - Torello on Trial
Torello, Abrams and the Major Crimes Unit are asked to form a task force.
S01:E16 - The Kingdom of Money
Torello and the Major Crime Unit join a federal strike force.
S01:E17 - The Battle of Las Vegas
Luca plans to use a union strike to gain control of the Las Vegas casinos.
S01:E18 - The Survivor
One of Torello's co-workers is charged with child molestation.
S01:E19 - The Pinnacle
Luca's greedy ploy to take over another casino puts his entire gambling empire in jeopardy.
S01:E20 - Top of the World
Luca becomes paranoid after gaining control of his fifth casino.
S01:E21 - Ground Zero
After his murder mistrial, Luca clashes with a crime boss over plans to split the gambling empire.