Chicago P.D., Demons

A pulsating season twelve premiere. A month after Voight's close brush with death, Intelligence is overwhelmed with cases as they catch a high-stakes drug bust.

After tragedy strikes Intelligence, the unit must persevere during an adrenaline-fueled manhunt across the city.

Atwater struggles to find balance as he teams up with a forensic psychologist on an armed robbery case.

ASA Chapman assists Intelligence with a sensitive investigation that drudges up painful memories for Voight.

In the midst of a momentous rainstorm, Intelligence lends support to Officer Cook when she and her partner disagree about an investigation.

Burgess is put to the test as she looks to make an advancement in her career.

Torres is haunted by his previous transgressions as Cook takes on a tense undercover assignment.

The Unit learns the truth about a secret Torres has been keeping as Deputy Chief Charlie Reid puts a focus on Intelligence.

Cook turns to her family when Intelligence faces administrative roadblocks that threaten a kidnapping investigation.

An unexpected visitor causes disruption for Ruzek and Burgess amidst an emotional investigation involving an unidentified young girl.

With the suspects still at large and conditions worsening underground, first responders race against the clock to reach the trapped victims.

Intelligence makes a gruesome discovery that leads Torres to go undercover at the juvenile detention centre where he served time as a teen.

A mounting street war threatens a community-center project that Atwater is trying to get off the ground.

Ruzek grapples with his father's worsening condition while Intelligence searches for an elusive serial killer.

Voight questions Deputy Chief Reid's motives in enacting a Violence Reduction Initiative across a neighbourhood where numerous gangs are fighting for territory.

Burgess's memory recall is put to the test following a deadly incident at her local diner.

The search for the suspect in a shooting uncovers a surprising personal connection to Atwater and Val, raising questions about their relationship status.

Voight and Chapman work together to uncover Deputy Chief Reid's shadow dealings as Reid assigns Intelligence to a carjacking case.

Cook works her first CI during a vicious robbery-homicide case involving a star college athlete.

Ruzek witnesses a tragic accident on an icy bridge, leading Intelligence into a dark, sinister case involving sex trafficking.

In this penultimate episode, the showdown with Deputy Chief Reid intensifies when Intelligence narrows in on Ortero.

An emotionally charged season twelve finale. Ruzek and Burgess' wedding fast approaches, Chapman grows closer to Voight, and Torres faces the emotional fallout of his actions.