The aftermath of Justin's death hangs heavy over Voight and Lindsay as intelligence investigates a murder arson case.
Intelligence searches for a missing woman who disappeared from the most dangerous neighborhood in District 21.
Platt and her Father become the targets of a brutal assailant.
A shooting outside of a concert leads to a tangled web of gang related violence.
After the body of a college student and a backpack filled with deadly fentanyl wash up in the lake, intelligence is under pressure to uncover the source of the deadly drug operation.
A teenage girl is found dead inside the home of a famous baseball player and friend of Olinsky.
The only eyewitness in a timely case against a suspected serial rapist is found murdered.
A highly trained killer wages war against the Chicago Police Department.
Kelly Severide of Firehouse 51 is at the center of a vehicular manslaughter case.
When a young woman's body is found, similar characteristics from past cases confirm that Chicago P.D. Has a serial killer on their hands.
Intelligence investigates the actions of a private police force operating independently of the CPD.
An investigation is blocked by a church offering sanctuary to the primary suspects.
Halstead goes undercover at a corrupt treatment center for troubled young girls.
Intelligence investigates a home explosion with no witnesses and a victim burned beyond recognition
When a desperate father comes looking for a hitman to take care of his daughter's murderer, her case is re opened by the intelligence team
After a deadly warehouse fire that left Olinsky's daughter fighting for her life, Intelligence mobilizes to find the arsonist.
A hiker leads Intelligence to a young woman being held captive in the woods outside Chicago.
The death of a notorious crime videographer unearths the wrongdoings of a wealthy family.
Burgess's sister is the victim of a brutal sexual assault.
A recovered murder weapon challenges the conviction of a 17-year-old murder case.
Intelligence investigates a string of armed bank robberies leading them to a surprising crew of suspects
Intelligence hunts a vigilante who is torturing and murdering pedophiles.
Lindsay must navigate around CPD politics when her mother is implicated in a murder case.