Episode 1 | Reform

Intelligence attempts to bust a gun deal that results in innocent bystanders getting shot.

Episode 2 | The Thing About Heroes

A Muslim patrol officer is suspected of causing a van to explode during a Chicago street festival when he goes missing and evidence points to his being involved.

Episode 3 | Promise

A young Latina woman is brutally murdered and it's suspected she have been working as a drug mule until a different motive for her death is discovered.

Episode 4 | Snitch

While investigating a drug-related homicide, Intelligence is stonewalled by the 'no-snitch' culture of the neighborhood. And Atwater discovers a personal connection to the case. Meanwhile, the police's own code of silence is put t...

Episode 5 | Home

When Intelligence busts a meth lab run by gang leader Marshall Carter, they uncover a re-homing scam in which children adopted from foreign countries are abandoned, then sold online. Meanwhile, Atwater struggles with the difficult...

Episode 6 | Fallen

Upton must work with a Vice cop she dislikes to help Intelligence crack a drug-related murder.

Episode 7 | Care Under Fire

In the wake of several gang-related child abductions, Intelligence must race against time to find a kidnapped boy. Owing to their swiftness and military precision, the team scours the VA records and tracks the suspects to a former...

Episode 8 | Politics

A Congressman who's friends with Voight is found with a dead Ukrainian girl.

Episode 9 | Monster

The death of Judge Tommy Wells' daughter puts Intelligence on the track of a pill mill spreading into the suburbs of Chicago and the doctor enabling it. Meanwhile, Voight discovers who's been leaking information from the 21st.

Episode 10 | Rabbit Hole

Halstead's partying with Camila unintentionally puts him in the middle of a drug-related homicide. He's forced to choose between loyalty to his unit and his girl. Meanwhile, Voight finally discovers the mole in his unit.

Episode 11 | Confidential

While trying to find the pimp, Intelligence stumbles on the women's shelter where he's scouting out girls. And Burgess moves the case forward with a series of confidential tips, but risks putting her informant in harm's way.

Episode 12 | Captive

Atwater disappears at the house of a convicted felon and Intelligence tries to rescue him.

Episode 13 | Chasing Monsters

Intelligence works with a visiting detective to take down a gang from El Salvador that has infiltrated Chicago.

Episode 14 | Anthem

Intelligence investigates the murder of a basketball player following an anti-police rally and the case gets complicated when Woods' daughter gets involved.

Episode 15 | Sisterhood

Intelligence tracks down a vigilante killing rapists and Burgess questions whether the men who attacked her sister have really been punished.

Episode 16 | Profiles

Intelligence enlists Firehouse 51 to help prevent the latest in a series of bombings targeting the media.

Episode 17 | Breaking Point

A prominent Alderman known for his urban revitalization efforts is murdered; Olinsky receives an ultimatum from Woods.

Episode 18 | Ghosts

Upton resumes an undercover identity to take down a meth ring run by a former criminal contact; Voight calls in a favor for Olinsky when pressure from Woods mounts.

Episode 19 | Payback

A string of stash house robberies lead back to an unlikely individual; Voight confronts a key witness in the Bingham investigation.

Episode 20 | Saved

When Voight witnesses the kidnapping of a woman who's somehow connected to his past, Intelligence searches for a connection between the kidnapping and bank robberies.

Episode 21 | Allegiance

Halstead and Atwater go undercover to prevent military-grade weapons from hitting the street. Meanwhile, Voight calls in a favor as a last-ditch effort to clear Olinsky's name for Bingham's murder.

Episode 22 | Homecoming

Intelligence seeks justice for Olinsky when he's stabbed in prison; Antonio's loyalty is tested; Woods looks to take down Voight once and for all.