Chicago Police Department

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.

Voight and Ruzek work to help Burgess.

Halstead’s past resurfaces when a former Army colleague is implicated in a deadly blast.

When Upton and Ruzek answer an emergency call to an abandoned house, their investigation leads them down a dark path.

As the team works to solve a deadly shooting in Burnside, Atwater realizes he has a very personal connection to the case.

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.

Voight builds trust with an informant.

The team investigates a stabbing.

With the FBI closing in on the Roy Walton investigation, Voight and Halstead strategize on a way out.

The team searches for a missing child.

Atwater makes a decision.

The team works together to identify the head of the brutal Los Temidos gang.

While out for a jog, Upton witnesses a horrible car crash and risks her own life to save the passengers.

Burgess and Ruzek fight for Makayla.

The unit scrambles to search for one of their own who is in grave danger.

Anna gets closer to her target.

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 Makayla’s abduction.

Halstead works with a new recruit.

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.

The team delves into a cold case.

Voight is forced to lie to Anna.

After an explosion rocks the case, the team scrambles to finally take down Escano as everyone nears their breaking point.