After the murder of a wealthy Chicago man, Atwater and the team dig in to uncover the truth, suspecting there is more to the story than meets the eye. Voight and the Team delve into a cold case in search of clues to solve a shocking new crime.
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Episode 1
Closure
When a P.D. informant is murdered, the team digs in to track down the perpetrator only to learn a shocking truth. Voight and Ruzek strategize to help Burgess.
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Episode 2
Rage
Officer Kim Burgess fights for her life as the team scrambles to find her kidnapper. Dep. Supt. Sam Miller is desperate to find her son's killer. Voight and Upton deal…
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Episode 3
The One Next to Me
Halstead’s past resurfaces when a former Army colleague is implicated in a deadly blast. As the FBI launches an investigation into Roy’s disappearance, Upton feels the pressure of the secret…
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Episode 4
In the Dark
When Upton and Ruzek answer an emergency call to an abandoned house, their investigation leads them down a dark path.
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Episode 5
Burnside
As the team works to solve a deadly shooting in Burnside, Atwater realizes he has a very personal connection to the case.
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Episode 6
End of Watch
Ruzek reunites with an old colleague to take down a crime ring but when things don’t add up, Voight and Burgess do some investigating of their own.
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Episode 7
Trust Me
As the team works to bring down a drug ring, Voight builds trust with a new informant. However, it soon becomes clear she has a plan of her own.
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Episode 8
Fractures
As the team investigates the stabbing of a father with two young daughters, they begin to suspect there is more to the story than meets the eye. The FBI investigation…
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Episode 9
A Way Out
With the FBI closing in on the Roy Walton investigation, Voight and Halstead strategize on a way out. After a city bus driver is shot by a passenger, the team…
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Episode 10
Home Safe
The team searches for a missing child in what turns out to be a very complicated case. Burgess and Ruzek are in for a shock when someone from Makayla’s past…
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Episode 11
Lies
Voight employs his new informant to help solve a tricky drug trafficking case. Atwater, who once again struggles to reconcile his personal and professional life, reaches a decision.
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Episode 12
To Protect
The team works together to identify the head of the brutal Los Temidos gang. Voight dives deeper into his informant Anna Avalos' past when her undercover role is threatened.
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Episode 13
Still Water
While out for a jog, Upton witnesses a horrible car crash and risks her own life to save the passengers. After learning more about the victims, the team must track…
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Episode 14
Blood Relation
The team searches for a brutal killer with a signature modus operandi. Burgess and Ruzek double down in their fight to retain custody of Makayla.
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Episode 15
Gone
The unit scrambles to search for one of their own who is in grave danger.
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Episode 16
Closer
When a young man is shot outside the Cárabo Bakery, the team works to connect the shooting to bakery owner Javier Escano, who has been under surveillance. Despite the increasing…
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Episode 17
Adrift
Ruzek's search for the daughter of an old family friend leads the team into a serious drug investigation. Burgess and Ruzek struggle to move on from the emotional aftermath of…
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Episode 18
New Guard
Halstead takes a new recruit under his wing during an investigation. The dynamics are challenging, however, and questions arise over the recruit's complicated past.
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Episode 19
Fool’s Gold
After the murder of a wealthy Chicago man, Atwater and the team dig in to uncover the truth, suspecting there is more to the story than meets the eye.
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Episode 20
Memory
Voight and the team delve into a cold case in search of clues to solve a shocking new crime. With its focus on buried memories, the case sparks concern for…
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Episode 21
House of Cards (1)
As the team closes in on drug kingpin Javier Escano, Voight is forced to lie to his undercover informant Anna to keep her on track. Their deteriorating trust threatens an…
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Episode 22
You and Me (2)
After an explosion rocks the case, the team scrambles to finally take down Escano as everyone nears their breaking point.